WorksheetsUnit 7 (Functions)
Total questions: 32
Worksheet time: 8hrs 0mins
Name
Class
Date
1.
Which equation represents the following graph?
a)
y = 3x + 2
b)
y = -2x + 3
c)
y = 2x + 3
d)
y = -3x + 2
2.
Find the slope
a)
-5/3
b)
-3/5
c)
5/3
d)
3/5
3.
Which is the graph of y=-x+2?
a)
A
b)
B
c)
C
d)
D
4.
What is the y-intercept?
a)
7
b)
0
c)
1
d)
2
5.
Find the value of y when x = 2.
a)
2
b)
6
c)
7
d)
8
6.
Find slope:
a)
m= 4
b)
m=1/4
c)
m=-4
d)
m=-1/4
7.
Which equation best represents the relationship between x and y in the table shown?
a)
y= 5x+5
b)
y=1/5x+5
c)
y=15x+5
d)
y=10x+5
8.
Find the slope of the line.
a)
Undefined
b)
0
c)
1
d)
-1
9.
The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Find the equation for Beth's service. Which service is cheaper for 8 movies in one month?
a)
Beth's service ($38 vs. $40) is cheaper
b)
Nate’s service ($42 vs. $44) is cheaper
c)
Nate’s service ($38 vs. $40) is cheaper
d)
Beth's service ($42 vs. $44) is cheaper
10.
The equation below represents an elevator's height after an amount of seconds. Using this equation, what should the height of the elevator be after 14 seconds?
y = -3.8x + 290
y = -3.8x + 290
a)
80
b)
236.8
c)
-80
d)
72.6
11.
Which graph represents y = - 21 x + 3?
a)
b)
c)
d)
12.
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
13.
What type of slope does the following graph have?
a)
Postive
b)
Negative
c)
Zero Slope
d)
Undefined
14.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
15.
Is this graph a function or not a function?
a)
Function
b)
Not a Function
16.
a)
Function
b)
Not a Function
17.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
R: {0, 1, 2, -4}
b)
D:{0, 1, 2, -4}
R:{1, -3, -4}
R:{1, -3, -4}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
R:{1, -3, -4}
18.
Does the graph represent a function?
a)
Yes, because the vertical line test shows there are no repeating input values
b)
No, because the vertical line test shows there are repeating input values
19.
a)
{-2, 3, 7}
b)
[-2, 3]
c)
{1, 2, 2, 3, 4}
d)
[1, 4]
20.
a)
{1, 2, 3, 4, 5}
b)
{-1, 1, 2, 3}
c)
{1, 2, 3, 5}
d)
[1, 5]
21.
a)
Taylor can write 6 words per minute
b)
Taylor can write 25 words per minute
c)
Taylor can write 50 words per minute
d)
Taylor can write 150 words per minute
22.
Which equation matches the table?
a)
y = 9.8x
b)
y = 9.8x + 49
c)
y = 49x - 9.8
d)
y = -9.8x + 49
23.
Determine which of the following is a solution to the linear function
y = 3x - 10
y = 3x - 10
a)
(1, -13)
b)
(0, 10)
c)
(2, -4)
d)
(-3. -1)
24.
Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?
y=3x+10
What does the y-intercept of the graph of this equation represent?
a)
The monthly fee
b)
How much Rich pays per visit
c)
The number of times Rich goes to the gym
d)
The total cost at the end of the month
25.
What is the slope of the linear function
graphed?
graphed?
a)
1.5
b)
0
c)
2
d)
-3
26.
What is the slope of the graph?
a)
5
b)
-5
c)
1/5
d)
-1
27.
Which equation matches the graph? (Click me to see the image)
a)
y = 2x + 2
b)
y = 1/4x + 2
c)
y = 1x + 4
d)
y = 4x + 2
28.
What is coordinate L?
a)
(6,6)
b)
(2,5)
c)
(2,3)
d)
(5,2)
29.
Which of the following points is a y-intercept?
(-2,3) (4, -2) (0, 5) (-9,0)
(-2,3) (4, -2) (0, 5) (-9,0)
a)
(-9,0)
b)
(-2,3)
c)
(4,-2)
d)
(0,5)
30.
On a graph, which axis shows the dependent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
31.
Bob earned $8 for every cake he delivers.
m = money
c = cakes he delivers
The dependent variable is:
m = money
c = cakes he delivers
The dependent variable is:
a)
m = money
b)
c = cakes he delivers
32.
Carrie gets one sticker for every paper she completes.
s = stickers
p = paper
The independent variable is:
s = stickers
p = paper
The independent variable is:
a)
s = stickers
b)
p = paper
100 %
