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LINEAR FUNCTIONS BLITZ

Total questions: 34

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
What is the y-intercept of the equation:
 y = 2x - 3 
a)
-2
b)
2
c)
3
d)
-3
2.
Find the slope:
y = 2x - 10
a)
1/2
b)
2
c)
5
d)
-10
3.

Bob has $150 in his savings account and saves $40 per month. Which function models his savings?

a)

y = 150 + 40

b)

y = 40x + 150

c)

y = 150x + 40

4.
The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?
a)
C = 0.20x + 15
b)
C =15 (0.20x)
c)
C = 15 + x + 0.20
d)
C = 0.20 + 15x
5.
Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation for C, the total cost, to rent the boat for h hours.
a)
h = 2C + 15
b)
C = 15h + 2
c)
h = 15C + 2
d)
C = 2h + 15
6.
Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation for C, the total cost, to rent the boat for h hours.
a)
h = 2C + 15
b)
C = 15h + 2
c)
h = 15C + 2
d)
C = 2h + 15
7.
Determine if the graph is linear or nonlinear.
a)
Linear
b)
Nonlinear
8.
What is the rate of change in the table?
a)
3
b)
2
c)
2/3
d)
3/2
9.
The table models a linear relationship. What is the rate of change in depth with respect to the hours passing?
a)
8
b)
6
c)
1/6
d)
14
10.

When can't the linear function be used in real life?

a)

Taxi trip

b)

Sales

c)

Throwing a ball

d)

Making predictions

11.

Choose the correct answer that matches the graph

a)

y = -2/3 +-2

b)

y= 3x -2

c)

y= 3/2x +3

d)

y= 4x + 2

12.
Write the equation of the line.
a)
y = x + 1
b)
y= x - 1
c)
y= -x + 1
d)
y= -x - 1
13.

What is the equation of this graph?

a)

y = -(1/2) x + 4

b)

y = (1/2) x - 4

c)

y = -2x + 4

d)

y = 2x - 4

14.

Which linear equation matches this graph?

a)

y=⅔x-4

b)

y=2x+3

c)

y=-4x+⅔

d)

y=⅔x+4

15.

Use the graph to write a linear function that relates y to x.

a)

y=1/2x+1

b)

y=2x

c)

y=-1/2x+1

d)

y=2x-1

16.

Select the increasing linear function below.

a)
b)
c)
d)
17.

This Linear Function is ......

a)

INCREASING

b)

DECREASING

c)

CONTINUOUS

18.
What type of slope does the graph have?
a)
Zero
b)
Undefined
c)
Negative
d)
Positive
19.
What type of slope does the following graph have?
a)
Postive
b)
Negative
c)
Zero Slope
d)
Undefined
20.
How would you write the equation with a slope of 2/3 and a y-intercept of -3
a)
y=3/2x+3
b)
y=2/3-3
c)
y=2/3x-3
21.
What is the y-intercept?
a)
7
b)
0
c)
1
d)
2
22.
Find the slope
a)
-5/3
b)
-3/5
c)
5/3
d)
3/5
23.
Which equation represents the following graph?
a)
y = 3x + 2
b)
y = -2x + 3
c)
y = 2x + 3
d)
y = -3x + 2
24.

What is the y-intercept for the given graph?

a)

(0,-5)

b)

(0,5)

c)

(0,1)

d)

(0,-1)

25.
Slope is another word for:
a)
Initial Value
b)
Rate of Change
c)
Change in Y's
d)
Y-intercept
26.
Slope is another word for:
a)
Initial Value
b)
Rate of Change
c)
Change in Y's
d)
Y-intercept
27.
Slope is another word for:
a)
Initial Value
b)
Rate of Change
c)
Change in Y's
d)
Y-intercept
28.
Slope is another word for:
a)
Initial Value
b)
Rate of Change
c)
Change in Y's
d)
Y-intercept
29.
Determine the slope and y-intercept from the following equation:   y = 3/2x + 3
a)
slope: 5   y-intercept:  (0,3) 
b)
slope: 3/2   y-intercept:  (0,3) 
c)
slope:  4  y-intercept:  (0,3/2)
d)
slope: 1/5   y-intercept:  (0,5) 
30.
Jenny went to the sale at Kohl's last weekend.  
T-shirts were on sale for $15 each and hoodies were on sale for $20 each.  If she spent $150 total, write an equation to represent this situation.  
a)
20x + 15 = y 
b)
35x = y 
c)
15x + 20y = 150 
d)
150 - 20x = 15y 
31.
Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.
a)
y = 3x + 2.5
b)
y = 2.50x + 3
c)
y = 2.50x 
d)
y = 3x + 2.50
32.
You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.
a)
y=15x-25
b)
15x+25y=100
c)
25x+y=15
d)
y=15x+25
33.
A holiday meal costs $12.50 a person plus a delivery fee of $30.  Which equation represents the amount a holiday meal costs, including delivery, for x people?
a)
y = 30 + 12.5x 
b)
y = 12.5 + 30
c)
y = 12.5 + 30x
34.

The total cost (y) at an amusement park can be modeled by y=1.5x+20 where x is the number of rides you ride. What is the price per ride?

a)

1.5

b)

21.5

c)

0

d)

20

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