Ch 3 Test Review_Linear

Where does the graph of y = -3x - 18 intersect the x-axis?

• (0, 6)

• (0, -6)

• (6, 0)

• (-6, 0)

Tickets to see a movie cost $3 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?

• 6

• 16

• 13

• 10

Find the slope of the line through (3, 7) and (-1, 4)

Find the slope of the line through (-3, 2) and (6, 2)

• 0

• undefined

Find the slope of a vertical line

• 1

• 0

• -1

• undefined

Which graph has a slope of -3?

• 
• 
• 
• 

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.

• 4

• -4

• 44

For the arithmetic sequence 12, 15, 18, 21, ...

What is the 12th term in the sequence?

• 48

• 38

• 45

• 42

Suppose y varies directly as x, and y = 26 when x = 8.

Find x when y = 65

• 211.25

• 47

• 20

• 3.25