Download Chapter Three Form One PDF

Name:
Class:
Date:
Indicate the answer choice that best completes the statement or answers the 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?
a6
b 10
c 13
d 16
Find the slope of each line described.
3. the line through (3, 7) and (–1, 4)
a
b
c
d
4. the line through (–3, 2) and (6, 2)
a
b
c0
d undefined
5. a vertical line
a1
b0
c –1
d undefined
6. Which graph has a slope of –3?
a
b
c
d
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
Use the arithmetic sequence 12, 15, 18, 21, . . . .
8. Which is an equation for the nth term of the sequence?
a a n = 3n + 9
b a n = 9n + 3
c a n = 12n + 3
d an = n + 3
Use the following information to answer the following questions.
The number of seats in each row of a theater form an arithmetic sequence, as shown in the table.
9. How many seats are in the 12th row?
a 68
b 74
c 96
d 114
10. Suppose y varies directly as x, and y = 26 when x = 8. Find x when y = 65.
a 3.25
b 20
c 47
d 211.25
Name:
Class:
Use the graph shown.
11. Which line has a y­intercept of –2?
a
bp
ct
d both and t
12. Which line is the graph of y = 2x + 4?
a
bp
c the x-axis
dt
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.
a 2x + y = –4
b y = –2x – 4
c –2x – y = 4
d
15. Find the root of 5x – 20 = 0.
a –20
b0
c4
d5
16. Determine which sequence is an arithmetic sequence.
a 3, 6, 12, 24, . . .
b , , ,
c –7, –3, 1, 5, . . .
d –10, 5,
,...
, ,...
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
18. Find the function that represents the relationship.
a y = 8x
c y = 14x + 8
b y = 8x + 14
d y = 14x + 14
19. Which equation is a linear equation?
a 4m2 = 6
b 3a + 5b = 3
c
d x2 + y2 = 0
Date:
Name:
Class:
20. Write an equation in function notation for the relation below.
a f(x) = 2x
b f(x) = x + 1
c f(x) = 1 – x
d f(x) = – x
21. Bonus Graph y = x – 3 by using the x- and y-intercepts.
Date: