unit 0 algebra review functions graphing linear equations

Answers

Answer 1
Linear Equations:

y = mx + b

The y will of course, be the y coordinate

The m, would be the slope

X, the x coordinate

B, the y intercept

I'm not really sure what your question is, but to graph these, first put a dot at the y intercept, or if there is none, just 0. Then, take the slope, and place a point accordingly, for example, if the slope was 1, then the line would move up one unit per every x coordinate, if that makes any sense. And then, connect the two, and draw the line.

Did that make any sense?

Related Questions

How can you tell when there are 1001 pickles under the bed worksheet?

Answers

Looks like a lota cucumbers (LOL pun intended)

Final answer:

To find the probability of getting a blue jelly bean, we use the equation P = B / Total. Substituting the given values, we find that the probability of getting a blue jelly bean is approximately 0.1733 or 17.33%.

Explanation:

To solve the given problem, we can use the equation provided in the example: P = B / 26. Since we know that there are 26 blue jelly beans out of 150 total jelly beans, we can substitute these values into the equation to find the probability: P(B) = 26 / 150. Simplifying this fraction, we get P(B) = 13 / 75.

Therefore, the probability of getting a blue jelly bean is 13/75, or approximately 0.1733, which can be expressed as a percentage as 17.33%.

What is the probability of winning three games in a row, if the probability of winning each game individually is 1/2?

Answers

P(winning 1 game) = 1/2 .= 0.5

P(winning 1 AND 2 GAMES) (1/2)(1/2) = 1/4 = 0.25

P(winning 1 AND 2 GAMES AND 3 GAMES)= (1/2)(1/2)(1/2) = 1/8 = 0.125






Find the missing term.
The sum of______ and 7x2 is 10x2.
A: -3x^2
B: 3x^2


Answers

the answer is B because it can't be negative
Your answer is b hope this helped

Please show me the steps, I need to learn this:
Simplify: (5/3+i)

Answers

5/(3+i)* 3-i/3-i= 15-5i/9-1= 15-5i/8

Does every number have two qualities

Answers

yes every number have 2 qualities
Every real number does have a quality.


A spherical tank has a capacity of 400 gallons. using the fact that 1 gallon is about 0.1337 ft3, find the radius of the tank (to the nearest hundredth of a foot).

Answers

1. Find the volume of gas the tank can hold: 400 gallons * (0.1337 ft3/1 gallon) = 53.48 ft3 2. The volume of the sphere is calculated using the equation. V = â´â„â‚Ď€rÂł. Where V = volume, Ď€ = pi or 3.14159, and r= the radius. We know that V = 53.48 ft3 so 53.48 ft3 = 4/3* (3.14159)*rÂł. rÂł= 12.767 Then take the cube root of 12.767, so r = 2.337 ft Round to the nearest hundreth, r = 2.34 ft

Final answer:

To find the radius of a spherical tank with a capacity of 400 gallons, calculate the volume and use the formula for the volume of a sphere.

Explanation:

A spherical tank has a capacity of 400 gallons, which is approximately 533.47 ft³ (400 gallons x 0.1337 ft³/gallon).

To find the radius, use the formula for the volume of a sphere: V = (4/3)πr³. Set this equal to the volume and solve for the radius.

Substitute the volume (533.47 ft³) into the formula, solve for r, and you will find that the radius is approximately 4.88 feet.

Find the equation of the circle in standard form for the given center (h,k) and radius r: (h,k)=(0,0), r=9

Answers

x^2 + y^2 = 81 is the equation of a circle you specified

Answer: [tex]x^2+y^2=81[/tex]

Step-by-step explanation:

The equation of circle ( in general form ) is  given  by :_

[tex](x-h)^2+(y-k)^2=r^2[/tex]

, where r= radius of the circle .

(h,k) = center of the circle .

Given : Center = (h,k)= (0,0)

Radius = r = 9 units

Then the equation of the circle will be :-

[tex](x-0)^2+(y-0)^2=(9)^2[/tex]

[tex]\Rightarrow x^2+y^2=81[/tex]

Hence, the required equation of the circle  = [tex]x^2+y^2=81[/tex]

Y=x3, vertically stretch by a factor of 4. How would the final equation look like?

Answers

The function is [tex]y=x^3[/tex]


a vertical stretch means that if (a, b) is in the original function, the second function will contain the point:

(a, 4b)


For example: (2, 8) is in the graph of the original function.

If the graph of the function is stretched vertically by a factor of 4, this means that (2, 8)  becomes (2, 8*4)=(2, 32)


So to describe this stretch, the equation must be [tex]y=4x^3[/tex]


Answer: [tex]y=4x^3[/tex]
Final answer:

Vertically stretching the equation[tex]Y=x^3[/tex] by a factor of 4 results in the equation [tex]Y=4x^3[/tex]. This means that the value of the function increases four times for every x. Visually, the stretched function appears steeper along the y-axis.

Explanation:

The equation represents[tex]Y=x^3[/tex]   a cubic function. When you vertically stretch a function by a factor of 4, this means you multiply the output (Y-values) of the function by 4. Therefore, to vertically stretch Y=x3 by a factor of 4, you will multiply the entire function by 4. The final equation would look like [tex]Y=4x^3[/tex]

To clarify, the 'stretch' implies that for each x, the value of the function increases four times. This change can is noticeable graphically as the function will look 'steeper' or 'more stretched out' along the y-axis.

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Can you help me with this, please? 

Write an equation for each sentence.

The sum of 4x and -3 is 8

An athlete trains for 115 min each day for as many days as possible. Write an equation that relates to the number of days (d) that the athlete spends training when the athlete trains for 690min.

Answers

4x + (-3) = 8
(Hopefully)

As for the second one, I ASSUMED it would be this but I'm kinda busy and my ADHD brain just needed a break from what I was doing so just equate it for me, will you? And tell me if I was right or wrong because I have NO IDEA what I'm doing.

Let the number of days he trains for be x
So, 115x = 690

If y = 6x – 4, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

{(0, –4), (1, 2), (3, 14)}
{(5, 20), (2, 10), (–1, –3)}
{(–3, –15), (6, 25), (3, 5)}
{(4, 18), (0, 10), (0, –2)}

Answers

this is just a matter of subbing in ur answer choices to see which one makes the equation true.

y = 6x - 4

ur answer is : {(0,-4), (1,2) , 3,14)} <==
First one is the answer

SELECT ALL THAT APPLY.

Which of the following is true of an outlier?

An outlier is a false data point.
An outlier does not affect measures of central tendency.
An outlier is not near the main cluster of data.
An outlier is always the highest or lowest value in a data set.

Answers

Final answer:

An outlier is a data point that is significantly different from the other data points in a set. It may or may not affect measures of central tendency. Outliers are not always the highest or lowest values in a data set.

Explanation:

An outlier is a data point that is significantly different from the other data points in a set. It can be either higher or lower than the other values.

Outliers may be errors or abnormal data, or they may provide valuable insights into the population under study.

An outlier does not necessarily mean that it is a false data point. It needs to be examined closely to determine if it should be included in the analysis or not.

An outlier may or may not affect measures of central tendency, such as the mean, median, and mode.

It depends on the specific data set and the impact of the outlier on these measures. It is not always the highest or lowest value in a data set, as it can be any data point that deviates significantly from the rest.

Train A and train B leave a central station at the same time. They travel the same speed, but in opposite directions, with train A heading towards station A, and train B heading towards station B. Train A reaches station A after 3 h. Train B reaches station B after 214 h. Station A and Station B are 420 mi apart. What is the rate of the trains?

Answers

It's 80  ((((((((((((((((((:

Answer:

he's wrong it's actually 80mph

Step-by-step explanation:

The local bakery sells muffins in 6 packes.... they sell the muffins in this variety,,, 3 blueberry muffins. & 2 pumpkin muffin.& 1 bran muffin,,, write the ratio that expresses each relationship,,,, question 1 *: blueberry muffins to tatal muffins?
q2 : pumpkin muffins to total muffins?

Answers

1. 18:36
2. 12:36
Hope this is good

Answer:

probably  3:6 and 2:6

Step-by-step explanation:

Please tell me where these marks are on these rulers.

Answers

The top right is 614.1 (600, 10, 4.1)

The bottom left is 270.8 (200+70+0.8)

The bottom right is 209.9 (100+0+9.9)

What are the common factors of 64 and 92?

Answers

The answer you are looking for to this question is =4

The equation below shows the relationship between the temperature in degrees Celsius, C, and degrees Fahrenheit, F.

F = 9 over 5C + 32

Which of the following formulas correctly solves for C?

C = 5F - 32 over 9

C = 5 F over 9 - 32

C = 9 over 5(F – 32)

C = 5 over 9(F – 32)

Answers

F = 9/5C + 32...subtract 32 from both sides
F - 32 = 9/5C...multiply both sides by 5/9, eliminating the 9/5 on right
5/9(F - 32) = C <==

Answer:

C = 5 over 9(F – 32)


Step-by-step explanation:

The formula is [tex]F=(\frac{9}{5}C)+32[/tex]

We can do some algebra to solve for C (note the steps below):

[tex]F=(\frac{9}{5}C)+32\\F=(\frac{9C}{5})+32\\F-32=\frac{9}{5}C\\C=\frac{F-32}{\frac{9}{5}}\\C=\frac{5}{9}(F-32)[/tex]


Last answer choice is right.

12x+18y=36 8x+12y=24 solve for through elimination

Answers

Multiply the first equation by 4
48x+72y= 144

Multiply the secondequation by -6
-48x-72y= -144

Add the equations together
48x-48x+72y-72y=144-144
0+0=0
True

Final answer: Infinitely many solutions
12x+18y=36 (1)
8x+12y=24 (2)

divide (1) by (3) and divide (2) by (2)

4x+6y=12 (1)
4x+6y=12 (2)
------------------subtract 
0 = 0

answer
Equations with Infinite solutions

MATH QUESTION!!!!!!!!!

Answers

The answer is:
___________________________________________________
[D]:  "3 miles; it represents the original distance of the bird from its nest."
________________________________________________________

"3 miles; it represents the original distance of the bird from its nest."

Find the measure of an angle between 0° and 360° coterminal with an angle of -271° in standard position.

A. 89°
B. 271°
C. 181°
D. 91°

I'm not sure if it's B. or A. PLEASE show your work

Answers

A. 89 because -271 + 360 = 89
just do 360-270 and your answer is A

A 12 foot ladder is placed 4 feet away from a house as shown. What is the value of x, rounded to the nearest degree ?

Answers

#1.
cos(x) = adjacent/hypotenuse = 4/12 ≈ 0.3333  ⇒ x ≈ 71°

#2
71° is  between 70° and 75°, so the answer is yes, the ladder being used safely.


x = 71 degrees. Yes, the ladder meets safety standards.

What is Hypotenuse?

A hypotenuse is defined as the longest side of a right triangle, the side opposite the right angle where the length of the hypotenuse can be found using the Pythagorean theorem, which states that the square of the length of the hypotenuse equals the sum of is the square of the lengths of the other two sides.

The equation is expressed as:

[tex]a^2 + b^2 = c^2[/tex]

a = side of right triangle

b = side of right triangle

c = hypotenuse

For above given information, the problem describes a right triangle with hypotenuse 12, the side against the ground is 4, and the angle between those two sides is "x".  

For this triangle,

cosx = (side adjacent to angle) / hypotenuse

   =  4 /12= 1/3

   

x  is approximately 70.52° which is 71° rounded to the nearest degree.

Thus, x = 71 degrees. Yes, the ladder meets safety standards.

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8 = 16 + 8n what is x

Answers

I'm assuming x = n or that you meant x in your equation

8 = 16 + 8x
Subtract 16 from both sides
-8 = 8x
Divide by 8 to both sides
-1 = x
x = -1
The answer for this question is -1

find values of x and y show your work

Answers

7x-4=31 x=5  7(5)-4= 35-4= 31
4y+8=24 y =4 4(4)=8= 16+8=24

The side that has length 24 equals to 4y + 8

24 = 4y + 8
24 - 8 = 4y
16 = 4y
y= 16÷4
y = 4

The side that has length 31 equals to 7x - 4

7x - 4 = 31
7x = 31 + 4
7x = 35
x = 35 ÷ 7
x = 5

About 13 out of 20 homes have a personal computeron a street of 60 homeshow many would have a personal computer

Answers

dfor every 20 houses 13 have computers

 divide 60 by 20

60/20 = 3

 multiply 3 by 13

3*13 = 39

 39 houses have computers

13 out of 20 written as a percent is 65%, so 65% of the homes own a personal computer.

|j|=|2j+3| please help me

Answers

Simplifying
j = (2j + 3)

Reorder the terms:
j = (3 + 2j)

Remove parenthesis around (3 + 2j)
j = 3 + 2j

Solving
j = 3 + 2j

Solving for variable 'j'.

Move all terms containing j to the left, all other terms to the right.

Add '-2j' to each side of the equation.
j + -2j = 3 + 2j + -2j

Combine like terms: j + -2j = -1j
-1j = 3 + 2j + -2j

Combine like terms: 2j + -2j = 0
-1j = 3 + 0
-1j = 3

Divide each side by '-1'.
j = -3

Simplifying
j = -3

The value of j is -3.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

j = (2j + 3)

Solve for j.

j = 2j + 3

Keep like terms on one side.

2j - j = -3

j = -3

Thus,

The value of j is -3.

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Find an equation of the vertical line that passes through (x, y) = (14, 15).

Answers

x=14 goes through (14,15)

Final answer:

The equation of the vertical line passing through the point (14, 15) is x = 14.

Explanation:

To find an equation of a vertical line that passes through the point (14, 15), we need to understand that a vertical line has an undefined slope and therefore cannot be represented by the slope-intercept form of a line, y = mx + b. Instead, vertical lines are represented by equations where x is equal to a constant value since every point on the vertical line will share the same x-coordinate. Thus, the equation of the vertical line passing through (x, y) = (14, 15) is simply x = 14.

In an election with exactly 2 candidates, 373 votes were cast. If the winner's margin of victory was 87 votes, how many did she receive?

Answers

Let the number of votes the loser received be x,

number of votes the winner received = x + 87
total number of votes = 2x + 87
2x + 87 = 373
2x = 286
x = 143
number of votes the winner received = 143 + 87
= 230

She received 230 votes.

what percent of 150 is 350

Answers

350/150 = 2.33
2.33 * 100
233%

Hope this helps!
percent formula : is/of = %/100
is = 350
of = 150
% = x

350/150 = x/100
cross multiply because this is a proportion
(150)(x) = (350)(100)
150x = 35000
x = 35000/150
x = 233.33% or 233 1/3%

Let f(x) = 2x - 6 Solve f-1(x) when x = 2.

Answers

This is an inverse function, so first we have to flip x and y:

y = 2x - 6
x = 2y - 6

Now, let’s substitute 2 into the equation:

2 = 2y - 6

Solve:

8 = 2y
y = 4

Hope this helped!

A recipe calls for 3/4 cup of flour. you have only 1/2 cup of flour. what fraction of the recipe can you make?

Answers

3/2 is the number because you would have to divide the 3/4 by 1/2 and whenever you divide by a fraction you must multiply by the reciprocal and you would get 3/2.

What is 7% of 20.00

Answers

Answer:

Different cities have different levels of sales tax for items purchased. Find each amount of sales tax?

What is 10% of $19.90?

$1.99

What is 7% of $20.00?

$1.40

Right on edge

Step-by-step explanation:

7 percent of the number 20.00 is 1.4.

What is percentage?

A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The proportion therefore refers to a component per hundred. Per 100 is what the word percent means. The letter "%" stands for it.

Given that, 7% of 20.00

A percentage is a number or ratio that can be expressed as a fraction of 100.

Let x be the 7% of 20.00.

Here, 7% of 20.00 =x

7/100 ×20.00 =x (word "of" means multiplication)

0.07×20.00 =x

x=1.4

Therefore, 7 percent of the number 20.00 is 1.4.

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