Quiz about Algebra Unit 3 Review

Question 1

Which of these represents point-slope form of a linear equation?

Accepted Answer

y - y₁ = m(x - x₁)

Answer

Ax + By = C

Answer

y = mx + b

Question 2

Which of these represents slope-intercept form of a linear equation?

Accepted Answer

y = mx + b

Answer

y - y₁ = m(x-x₁)

Answer

Ax + By = C

Question 3

For the equation
y - 3 = 2(x + 4),
the line has a slope of 2 and contains what point?

Accepted Answer

(-4, 3)

Answer

(3, -4)

Answer

(-3, -4)

Answer

(-4, -3)

Question 4

For the equation
y + 1 = -3(x - 5),
the line contains the point (5, -1) and has a slope of?

Accepted Answer

-3

Answer

-1

Answer

1

Answer

5

Question 5

Write the equation in point-slope form for the line that contains the points
(-2, -3), (4, 3)

Accepted Answer

y + 3 = 1(x + 2)

Answer

y - 3 = 1(x - 2)

Answer

y -3 = -1(x + 2)

Answer

y + 3 = -1(x - 2)

Question 6

Write the equation of a line parallel to the one pictured through the point (3,1) in point slope form.

Accepted Answer

y-1=1/2(x-3)

Answer

y+1=1/2(x+3)

Answer

y-1=-1/2(x-1)

Answer

y+1=-1/2(x+3)

Question 7

Identify the slope and y-intercept of:
y = 1/5x + 5

Accepted Answer

slope: 1/5   y-intercept:  5

Answer

slope: 1/6   y-intercept:  4

Answer

slope: 5/1   y-intercept:  5

Answer

slope: 1   y-intercept:  5

Question 8

Write in slope intercept form
5x - 3y = -9

Accepted Answer

y = (5/3)x + 3

Answer

y = (5/3)x - 3

Answer

y = (5/3)x + 9

Answer

y = (3/5)x + 3

Question 9

What is the slope of the equation?
y = -3x + 4

Accepted Answer

-3

Answer

4

Answer

-4

Answer

3

Question 10

Johnny has to pay $15 for a large pizza and 1.50 for each topping.  What is the meaning of the y-intercept?

Accepted Answer

It cost $15 for a large pizza with no toppings

Answer

It cost 1.50 per topping

Answer

It cost 1.50 for unlimited toppings

Answer

It cost $15 for a large pizza

Question 11

Write the equation for the line in slope-intercept form.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=(1/4)x+3

Answer

y= -4x+3

Question 12

Write the equation in slope-intercept form:
-3y + 5x = 12

Accepted Answer

y = -4 + 5/3x

Answer

y = -4 + 5x

Answer

y = 4 - 5/3x

Answer

y = 12 + 5x

Question 13

Find the x and y intercepts
4x - 5y = 40

Accepted Answer

x intercept is 10
y intercept is -8

Answer

x intercept is 10
y intercept is 8

Answer

x intercept is 10
y intercept is 20

Answer

x intercept is 8
y intercept is 10

Question 14

Give the y-interecept
3x + y = 5

Accepted Answer

(0,5)

Answer

(-3,0)

Answer

(0,-5)

Answer

(0, -3)

Question 15

Give the x-intercept
3x + 8y = 24

Accepted Answer

(8, 0)

Answer

(0, 8)

Answer

(3, 0)

Answer

(0, 3)

Question 16

What is the y-intercept?

Accepted Answer

-3

Answer

12

Answer

8

Answer

0

Question 17

Write an equation:  A plumber charges $50 for a house call plus $12 per hour for labor.

Accepted Answer

y = 50 + 12 x

Answer

y = 50 x + 12

Answer

y = 62 x

Answer

x = 50 + 12y

Question 18

Find the slope from the table.

Accepted Answer

4

Answer

-4

Answer

1

Answer

-2

Question 19

What does "m" represent in y=mx+b?

Accepted Answer

slope

Answer

y-intercept

Answer

macaroni

Answer

nothing

Question 20

Write the equation in slope-intercept form (solve for y):
2y = 10x + 14

Accepted Answer

y = 5x + 7

Answer

y = 10x + 12

Answer

y = 10x + 7

Answer

y = 5x + 14

Question 21

Which of these lines has a slope of -3?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 22

Which of these represents Standard form of a linear equation?

Accepted Answer

Ax + By = C

Answer

y - y₁ = m(x - x₁)

Answer

y = mx + b

Question 23

Name the x- and y-intercepts for the equation:
2x + y = 6

Accepted Answer

(3, 0) and (0, 6)

Answer

(0, 3) and (6, 0)

Answer

(0, -3) and (-6, 0)

Answer

(-3, 0) and (0, -6)

Question 24

What is the slope between the points
(-3, -4) & (7, 6)?

Accepted Answer

1

Answer

0

Answer

Undefined

Answer

-1

Question 25

What is the slope a horizontal line?

Accepted Answer

0

Answer

-1

Answer

undefined

Answer

1

Question 26

What is the y-intercept in the following equation:  y=-4x-5

Accepted Answer

-5

Answer

-4

Answer

-4x

Answer

5

Question 27

Slopes of parallel lines are...

Accepted Answer

identical.

Answer

opposite reciprocals.

Answer

opposites.

Answer

always 7.

Question 28

Slopes of perpendicular lines are...

Accepted Answer

opposite reciprocals.

Answer

opposites.

Answer

identical.

Answer

always 7.

Question 29

y = 3x +2
y = 3x - 3
These lines are...

Accepted Answer

Parallel

Answer

Perpendicular

Answer

Neither

Answer

The same line

Question 30

-6x + y = 2
6x + y = 2
These lines are...

Accepted Answer

Neither

Answer

Parallel

Answer

Perpendicular

Question 31

y = -2/3x + 2
y = 3/2x + 9
These lines are...

Accepted Answer

Perpendicular

Answer

Parallel

Answer

Neither

Question 32

What is the slope of a line parallel to the line whose equation is: -2x + y = - 7?

Accepted Answer

2

Answer

-2

Answer

1/2

Answer

-1/2

Question 33

A line is perpendicular to
y = 2x - 7.
What is the slope of this line?

Accepted Answer

-1/2

Answer

-2

Answer

1/2

Answer

2

Question 34

What is the slope of a line parallel to the line whose equation is: -2x + y = - 7?

Accepted Answer

2

Answer

-2

Answer

1/2

Answer

-1/2

Question 35

Find the slope of the line.

Accepted Answer

2/1

Answer

1/2

Answer

-1/2

Answer

-2/1

Question 36

Find the slope of the line that goes through the points (-8,6) and (7,-3).

Accepted Answer

-3/5

Answer

1/3

Answer

-1/3

Answer

-5/3

Question 37

What direction is an undefined slope?

Accepted Answer

vertical

Answer

horizontal

Question 38

Find the slope of the line.

Accepted Answer

0

Answer

Undefined

Answer

1

Answer

-1

Question 39

What is the equation of a line parallel to the following line that passes through the given point?
y = -4x + 6 (2, -1)

Accepted Answer

y = -4x + 7

Answer

y = 1/4x + 6

Answer

y = -4x + 2

Answer

y = 1/4x -1

Question 40

What is the equation of a line that is perpendicular to this line and goes through the given point?
y = 3x + 2 (3, -4)

Accepted Answer

y = -1/3x - 3

Answer

y = 3x - 2

Answer

y = -1/3x - 5

Answer

y = 3x - 4

Question 41

Are these two lines parallel, perpendicular or neither?
y = -1/3x - 5
y = 1/3x + 2

Accepted Answer

Neither

Answer

Parallel

Answer

Perpendicular

Question 42

What is the equation of the line?

Accepted Answer

y=3

Answer

y=3x

Answer

x=3

Answer

y=-3

Question 43

What is the y-intercept of the line?

Accepted Answer

4

Answer

3<br>3

Answer

-3

Answer

4/3

Question 44

To graph from point slope form I must:

Accepted Answer

graph the point and then the slope from that point.

Answer

Graph point and the negative of the slope from the point.

Answer

graph the slope the then point and connect the dots.

Answer

Start at (0,0) and graph the slope.

Algebra Unit 3 Review

45 questions

Which of these represents point-slope form of a linear equation?

Which of these represents slope-intercept form of a linear equation?

For the equation
y - 3 = 2(x + 4),
the line has a slope of 2 and contains what point?

For the equation
y + 1 = -3(x - 5),
the line contains the point (5, -1) and has a slope of?

Write the equation in point-slope form for the line that contains the points
(-2, -3), (4, 3)

Write the equation of a line parallel to the one pictured through the point (3,1) in point slope form.

Identify the slope and y-intercept of:
y = 1/5x + 5

Write in slope intercept form
5x - 3y = -9

What is the slope of the equation?
y = -3x + 4

Johnny has to pay $15 for a large pizza and 1.50 for each topping. What is the meaning of the y-intercept?

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Algebra Unit 3 Review

45 questions

Which of these represents point-slope form of a linear equation?

Which of these represents slope-intercept form of a linear equation?

For the equation y - 3 = 2(x + 4), the line has a slope of 2 and contains what point?

For the equation y + 1 = -3(x - 5), the line contains the point (5, -1) and has a slope of?

Write the equation in point-slope form for the line that contains the points(-2, -3), (4, 3)

Write the equation of a line parallel to the one pictured through the point (3,1) in point slope form.

Identify the slope and y-intercept of:y = 1/5x + 5

Write in slope intercept form5x - 3y = -9

What is the slope of the equation?y = -3x + 4

Johnny has to pay $15 for a large pizza and 1.50 for each topping. What is the meaning of the y-intercept?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

For the equation
y - 3 = 2(x + 4),
the line has a slope of 2 and contains what point?

For the equation
y + 1 = -3(x - 5),
the line contains the point (5, -1) and has a slope of?

Write the equation in point-slope form for the line that contains the points
(-2, -3), (4, 3)

Identify the slope and y-intercept of:
y = 1/5x + 5

Write in slope intercept form
5x - 3y = -9

What is the slope of the equation?
y = -3x + 4