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8th grade Slope intercept form practice

Total questions: 37

Worksheet time: 9hrs 15mins

Name
Class
Date
1.

Which could be the graph of the equation y = 1/3x - 2?

a)
b)
c)
d)
2.

Which graph best represents the equation y = -3x + 4?

a)
b)
c)
d)
3.

Which is the graph of the equation y = -2x + 1?

a)
b)
c)
d)
4.

Which graph represents y = 3x?

a)
b)
c)
5.
Which is the graph of y= -x + 2?
a)
A
b)
B
c)
C
d)
D
6.

Which is the graph of the equation ?

y=13x  2y=\frac{1}{3}x\ -\ 2  

a)
b)
c)
d)
7.

Which is the graph of the equation ?

y = 2x + 1y\ =\ -2x\ +\ 1  

a)
b)
c)
d)
8.

Which is the graph of the equation ?

y = x + 2y\ =\ -x\ +\ 2  

a)

A

b)

B

c)

C

d)

D

9.

What does the b represent in y=mx+b ?

a)

slope

b)

y-intercept

10.

What does the 4 represent in y=4x+3 ?

a)

slope

b)

y-intercept

11.

What does the 3 represent in y=4x+3 ?

a)

slope

b)

y-intercept

12.

What does 10 represent in y=6x+10 ?

a)

slope

b)

y-intercept

13.

What does 6 represent in y=6x+10 ?

a)

slope

b)

y-intercept

14.

What is the y intercept of this line?

a)

3

b)

-3

c)

3.5

d)

-3.5

15.

What is the y intercept of this line?

a)

2

b)

-2

c)

3

d)

-3

16.

What is the slope of this line?

a)

-4/5, down 4 right 5

b)

4/5, up 4 right 5

c)

-5/4, down 5 right 4

d)

5/4, up 5 right 4

17.
Write the equation of the line.
a)
y = -1/3x - 2
b)
y = 1/3x - 2
c)
y = 3x - 2
d)
y = -3x - 2
18.

What is the correct slope-intercept form?

a)

y = mx + b

b)

y = mb + x

c)

y = x

d)

y = -mx + b

19.

What would the slope of the graph be?

a)

Positive

b)

Negative

c)

0

d)

Undefined

20.

What kind of slope does the graph have?

a)

Positive

b)

Negative

c)

0

d)

Undefined

21.

What kind of slope does the graph have?

a)

Positive

b)

Negative

c)

0

d)

Undefined

22.

What kind of slope does the graph have?

a)

Positive

b)

Negative

c)

0

d)

Undefined

23.

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

a)

y = -1

b)

y = -x

c)

y = -x - 1

d)

y = 2x

24.

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

a)

y = -2x - 5

b)

y = 2x - 5

c)

y = -2x

d)

y = -1/2x - 5

25.

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

a)

y = 1/2x

b)

y = -1/2x

c)

y = 2x + 1

d)

y = -2x - 2

26.

Jackson started with $800 in his savings account, but has to pay $30 a month for his electricity bill. Write an equation that relates his savings, y, to the amount of months, x.

a)

y = -30x + 800

b)

y = 30x - 800

c)

y = -30x

d)

y = 12x - 30

27.

Stephanie owes her mom $80 for a recent trip to the mall. She plans to payback $15 a month until it is paid back. Write an equation in slope-intercept form that relates the amount she owes, y, to the amount of months, x.

a)

y = 15x - 80

b)

y = 15x + 80

c)

y = -15x + 80

d)

y = -15x - 80

28.

At 10:00 pm, there was already 8.6 inches on the ground. If it is to snow 2 inches per hour after, what equation could be used to model the situation after x amount of hours.

a)

y = 2x + 8.6

b)

y = 2x - 8.6

c)

y = -2x + 8.6

d)

y = 1/2x + 8.6

29.

Given the equation y = -3x - 5, what would the ordered pair be if you subbed in x = 2?

a)

(2, -11)

b)

(2, -1)

c)

(2, 1)

d)

(2, 11)

30.

Given the slope-intercept form equation of y = 1/2x + 7, what is the ordered pair if x = -10?

a)

(-10, 2)

b)

(-10, -12)

c)

(-10, 8)

d)

(-10, 9)

31.

What is the graph's equation?

a)

y = 4/3x - 1

b)

y = -4/3x - 1

c)

y = 3/4x + 1

d)

y = - 3/4x - 1

32.

Write an equation for the table in slope-intercept form.

a)

y = -2x + 5

b)

y = 1/2x + 5

c)

y = 5x - 2

d)

y = 3x - 6

33.

Write an equation for the table relating x and y in slope-intercept form.

a)

y = 2x + 2

b)

y = -3x + 2

c)

y = 6x + 5

d)

y = -2x - 2

34.

What is the equation for the table above?

a)

y = -3x + 20

b)

y = 3x + 20

c)

y = -1/3x + 20

d)

y = 6x - 2

35.

What is the slope of the given line?

a)

0

b)

-4

c)

undefined

d)

-2

36.

What is the slope of the given line?

a)

0

b)

undefined

c)

1

d)

-5

37.

In slope-intercept form y = mx + b, which value represents the starting or initial value?

a)

y

b)

m

c)

x

d)

b