Practice A1 a,b,d-e, A2b,3b,5c,6c,8b,9b,9c,10b
Name:_______________________________
1 A1A) For a car traveling at a speed of 50 miles per hour, the relationship between the distance traveled, d, and the
time traveled, t, is described by the function d = 50t. Which statement is true?
F
G
H
J
The time traveled depends on the distance traveled.
The distance traveled depends on the time traveled.
The speed of the car depends on the distance traveled.
The speed of the car depends on the time traveled.
2 A1B) Which equation best describes the relationship between x and y in this table?
A
y=
1
x+1
3
C
y = 3x − 1
B
y=
1
x−1
3
D
y = 3x + 1
3 A1D) Which inequality best represents the graph shown below?
A
B
C
D
−3x + 2y < −8
3x − 2y < −8
−4x + 3y > −12
4x − 3y > −12
4 A1E) The graph below represents Lynne’s car trip from her house
to the mall and then back to her house. If each section of the graph
represents part of Lynne’s trip, which part of the trip took the least
amount of time?
A
r
B
p
C
q
D
s
5 A2B) The graph shows the path of a golf ball.
What is the range of this function?
F
G
H
J
0 < y < 100
0 ≤ y ≤ 100
0≤x≤5
0<x<5
What is the domain?
6 A3B) The squares below show a pattern.
Which expression can be used to determine
the number of squares at stage n?
F
G
H
J
5n − 3
4n − 2
2n2
n2 + n
7 A5C ) Which linear function best describes the graph shown below?
A
y = −3x +
B
y=
C
D
1
2
1
x+3
2
1
y = −3x −
2
1
y= x−3
2
8) A6C Which best describes the effect on the x-intercept of the graph of
3
3
f (x) = x − 3 if the slope is changed to − ?
4
4
A The x-intercept remains the same, and the new line
is translated upward.
B The x-intercept becomes negative, and the new line
is parallel to the original line.
C The x-intercept remains the same, and the new line
is translated downward.
D The x-intercept becomes negative, and the new line
intersects the original line.
9 A6C) Given the function y = 3.54x − 54.68, which statement best describes the effect of increasing the yintercept by 33.14?
A
C
The new line is parallel to the original.
The x-intercept increases.
B
D
The new line has a greater rate of change.
The y-intercept decreases.
10 A.8B ) Which of the following graphs best represents the solution to the system of linear equations shown
below?
x + 5y = −5
4x − 3y = −20
A
B
C
D
11) What is the x-coordinate of the solution to the system of linear equations below?
F
−4
G
−3
H
3
J
4
12 A.9.B) The graph of the function y = x2 is given to the right.
How will the graph be affected if the coefficient of x2 is decreased to
F
G
H
J
1
?
4
The parabola will be wider.
The parabola will be narrower.
The parabola will be translated up.
The parabola will be translated down.
13 A.9.C) How does the graph of y = x2 differ from the graph of y = x2 − 4?
A
B
C
D
The graph of y = x 2 − 4 is wider than the graph of y = x2.
The graph of y = x2 − 4 is shifted to the left of the graph of y = x2.
The graph of y = x2 − 4 is shifted down from the graph of y = x2.
The graph of y = x2 − 4 is narrower than the graph of y = x2.
14 A.10.B) What are the roots of the quadratic equation x2 − 3x + 2 = 0?
A
−2 and −1
C
2 and −1
B
−2 and 1
D
2 and 1
4x + 5y = 8
2x − 3y = −18