Quiz about Graph Direct Variation Equations

Question 1

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Accepted Answer

$308

Answer

$2

Answer

$1.57

Answer

$265

Question 2

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

Accepted Answer

26

Answer

3

Answer

58.5

Answer

2

Question 3

Is this a direct variation?
y=2x

Accepted Answer

yes

Answer

no

Question 4

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours?

Accepted Answer

$394

Answer

$440

Answer

$472.80

Answer

$512.20

Question 5

Write an equation for this relationship.

Accepted Answer

y=1/4x

Answer

y=4x

Answer

y=1/8x

Answer

y=8x

Question 6

Which of the given graphs is a direct variation?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 7

Write an equation for this situation.

Accepted Answer

y=19.25x

Answer

y=9.75x

Answer

y=19x

Answer

y=9.5x

Question 8

Is this proportional?

Accepted Answer

no

Answer

yes

Question 9

Write the equation for the table given.

Accepted Answer

y = 3x

Answer

y = 1/3x

Answer

y = 1/2x

Question 10

What is the constant of proportionality (in miles per hour) based on the table?

Accepted Answer

45

Answer

90

Answer

135

Answer

2

Question 11

On a treasure map, the actual distance is directly related to the scaled distance.  If 15 miles is represented by 3 centimeters, then how many centimeters on the treasure map are equivalent to 135 miles?

Accepted Answer

27 cm

Answer

675 cm

Answer

529 cm

Answer

32 cm

Question 12

The interest received on a savings account varies directly with the amount deposited. Daniel received $55.35 in interest on $1230 he deposited. How much interest would Daniel have received if he had deposited $2000 into his account?

Accepted Answer

90.00

Answer

34.04

Answer

1,285.35

Answer

44,444.44

Question 13

What is the slope?

Accepted Answer

$1/2 miles driven

Answer

$2/1 mile drive

Answer

2 miles driven/$1

Answer

1 mile driven/$2

Question 14

At what rate did the rain fall?

Accepted Answer

2 cm per hour

Answer

¹/₄ cm per hour

Answer

¹/₂ cm per hour

Answer

4 cm per hour

Question 15

What does the Direct Variation Equation look like?

Accepted Answer

y= kx

Answer

y = mx + b

Answer

y = b

Answer

y = x

Question 16

A tutoring job pays $222 for ten hours of work.  If a tutor were to work for a total of thirty-five hours that week, how much will they make?

Accepted Answer

$777

Answer

$1.58

Answer

$2

Answer

$685

Question 17

What is the constant of proportionality?

Accepted Answer

16

Answer

8

Answer

24

Answer

2

Question 18

Is this proportional?
y = 7x + 3

Accepted Answer

no

Answer

yes

Graph Direct Variation Equations

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