Linear Functions Chapter Test Form A continued

Name _______________________________________ Date __________________ Class __________________
Linear Functions
Chapter 4 Practice Test
Select the best answer.
1. Which graph represents a linear function?
A
4. The table shows the price of a video
game for different years since the game
was released. During which time interval
did the price decrease at the greatest
rate?
Year
2000 2002 2003 2005 2007
Price ($)
58
54
50
44
A 2000 to 2002
C 2003 to 2005
B 2002 to 2003
D 2005 to 2007
43
5. The slope of this line is ___________.
B
2. A car travels at 60 mi/h. The function
f(x)  60x gives the distance the car
travels in x hours. What is the range of
this function?
A y0
B {0, 1, 2, 3, ...}
C {0, 60, 120, 180, ...}
D all real numbers
3. Find the x-intercept of the equation
x  5y  20.
A 1
B 4
C 5
D 20
A positive
C zero
B negative
D undefined
6. Find the slope of the line that contains the
points (6, 8) and (2, 1).
A
7
4
B
9
8
7. Is this relationship a direct variation?
x
3
2
1
y
4
6
4
A yes
B no
8. Which equation describes the line with a
slope of 2 and y-intercept of 6?
A y  2x  6
B y  6x  2
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Algebra 1
Name _______________________________________ Date __________________ Class __________________
Linear Functions
Chapter Test Form A continued
9. What is the slope and y-intercept of the
graph?
1
x5?
2
12. Which line is parallel to y 
1
x3
2
A y  2x
C y
1
B y   x 1
2
D y  2x  5
13. Which equation describes a line
that passes through (0, 3) and is
perpendicular to the line described
by y  5x  4?
A y  5x  3
A slope  3, y-intercept  2
B slope  2, y-intercept  3
C slope  3, y-intercept  2
1
D slope   , y-intercept  3
2
B y
1
x3
5
C y
1
x3
5
D y  5x  3
14. Graph f(x)  3x and g(x)  3x  5.
Which describes the transformation from
the graph of f(x) to the graph of g(x)?
10. Which equation describes the line with a
3
slope of
that contains the point (1, 2)?
4
A y2
3
(x  1)
4
B y2
3
(x  1)
4
11. The table shows the relationship between
the size of a painting by a particular artist,
and the price they charge for the painting.
Painting
Size
(in2)
48
64 144 48 100
A a translation down 5 units
B a translation up 5 units
Price
100 150 300 85 200
(dollars)
Which equation could represent a line of
best fit for this data?
A y ≈ 2.09x – 1.95
B y ≈ 209x – 195
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Algebra 1
Name _______________________________________ Date __________________ Class __________________
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Algebra 1