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y=kx Verbal Descriptions

Total questions: 10

Worksheet time: 50mins

Name
Class
Date
1.

The grocery store sells cantaloupes for $4.50 per pound. Write an equation to represent the cost, c, for the number of pounds of cantaloupes bought, p.

a)

c = 45p

b)

c = 4.5p

c)

p = 4.5c

d)

p = 45c

2.

Which statement best describes this situation?

a)

Kevin earns $16.50 per hour.

b)

Kevin earns $8.00 per hour.

c)

Kevin earns $8.25 per hour.

d)

Kevin earns $8.50 per hour.

3.
Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What was their constant rate of speed? 
a)
65 miles∕1hr
b)
60miles∕1hr
c)
40miles∕1hr
d)
50miles∕1hr
4.

Which company shows a greater rate of change?

Work this out on your paper; don't guess! =)

a)

Water's Edge Rafts

b)

Ryan's Rafts

5.
You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?
a)
4 cookies per dollar
b)
6 cookies per dollar
c)
9 cookies per dollar
d)
1/9 dollars per cookie
6.
a)

y = 2x - 15

b)

y = 15x +2

c)

y = -15x

d)

y = 15x

7.

Write an equation for this situation.

a)

y=9.75x

b)

y=19x

c)

y=19.25x

d)

y=9.5x

8.
If the constant of proportionality is 7, which of the following is the correct proportional equation?
a)
y=7k
b)
y=k7
c)
y=kx
d)
y=7x
9.

Determine which equation does NOT represent a proportional relationship.

a)

y = -2x

b)

y = 3.4x

c)

y = 3x

d)

y = 5x - 7

10.

Which statement best describes this relationship?

a)

Each ice cream cone costs $3.

b)

A runner can run 6 miles per hour.

c)

There are 12 inches in a foot.

d)

It takes one hour to travel 6 miles.