Document 424289

NAME ____________________________________________ DATE _____________________________ PERIOD _____________
Chapter 3 Test, Form 1
SCORE _____________
Write the letter for the correct answer in the blank at the right of each question .
1. Where does the graph of y = –3x – 18 intersect the x-axis?
A (0, 6)
B (0, – 6)
C (6, 0)
D (–6, 0)
2. Tickets to see a movie cost $5 for children and $8 for adults. The equation 5x + 8y = 80
represents the number of children (x) and adults (y) who can see the movie with $80.
If no adults see the movie, how many children can see the movie with $80?
F6
G 10
H 13
J 16
1. _______________
2. _______________
For Questions 3-5, find the slope of each line described.
3. the line through (3, 7) and (–1, 4)
!
!
A
B
C
4. the line through (–3, 2) and (6, 2)
!
!
F
G
H0
J undefined
4. _______________
5. a vertical line
A1
C –1
D undefined
5. _______________
!
!
!
!
B0
!!
D
!
!
!!
3. _______________
6. Which graph has a slope of –3?
F
G
H
J
6. _______________
7. COMMUNICATION In 1996, there were 171 area codes in the United States.
In 2007, there were 215. Find the rate of change from 1996 to 2007.
!
A 44
B4
C
D –4
!
7. _______________
For Questions 8 and 9, use the arithmetic sequence 12, 15, 18, 21, . . . .
8. Which is an equation for the nth term of the sequence?
F ! = 3n + 9
H ! = 12n + 3
G ! = 9n + 3
J ! = n + 3
9. What is the 12th term in the sequence?
A 38
B 42
Chapter 3
C 45
8. _______________
D 48
49
9. ______________
Glencoe Algebra 1
NAME ____________________________________________ DATE _____________________________ PERIOD _____________
Chapter 3 Test, Form 1 (continued)
10. Suppose y varies directly as x, and y = 26 when x = 8. Find x when y = 65.
F 3.25
G 20
H 47
J 211.25
10. _______________
For Questions 11 and 12, use the graph shown.
11. Which line has an y-intercept of –2?
Aℓ
Ct
Bp
D both ℓ and t
11. _______________
12. Which line is the graph of y = 2x + 4?
Fℓ
H the x-axis
Gp
Jt
12. _______________
13. Which arithmetic sequence has a proportional related function?
A –4, –1, 2, . . .
B 0, –2, –4, . . .
C 1, 2, 3, . . .
D – , 0, , . . .
14. Write y + 1 = –2x – 3 in standard form.
F 2x + y = –4
G y = –2x – 4
H –2x – y = 4
J x + y = –2
14. _______________
15. Find the root of 5x – 20 = 0.
A –20
B0
C4
D5
15. _______________
!
!
!
!
!
!
13. _______________
16. Determine which sequence is an arithmetic sequence.
F 3, 6, 12, 24, . . .
H –7, –3, 1, 5, . . .
! ! ! !
! !
G , , , ,...
J –10, 5, – , , . . .
16. _______________
17. Find the next three terms of the arithmetic sequence 5, 9, 13, 17, . . .
A 21, 23, 25
B 21, 25, 29
C 41, 45, 49
D 21, 41, 61
17. _______________
! ! !
!!
! !
18. Find the function that represents the relationship.
F y = 8x
H y = 14x + 8
G y = 8x + 14
J y = 14x + 14
19. Which equation is a linear equation?
A 4m2 = 6
B 3a + 5b = 3
x
0
1
2
3
4
y
14
22
30
38
46
!
18. _______________
!
C xy – y = 0
!
!
D x2 + y2 = 0
20. Write an equation in function notation for the
relation at the right.
F f(x) = 2x
H f(x) = 1 – x
G f(x) = x + 1
J f(x) = – x
19. _______________
20. _______________
B: ______________
Bonus Graph y = x – 3 by using the x- and y-intercepts.
Chapter 3
50
Glencoe Algebra 1