Quiz about Proficiency Review

Question 1

Mr. Kelsey just opened a T-shirt shop and is determining what to charge for bundles of shirts. Which table of prices represents a proportional relationship?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 2

2. A bakery sells 6 rolls for $2.00. If this relationship is graphed with the number of rolls on the x-axis and the cost on the y-axis, what is the unit rate of the graph in dollars per roll?

Accepted Answer

$0.33

Answer

$4.00

Answer

$0.50

Answer

$0.40

Question 3

The table shows the number of flowers used to create bouquets. Find the rate of change in the table.

Accepted Answer

8

Answer

6

Answer

9

Answer

12

Question 4

4. The graph represents the number of calories burned for every hour of walking. Which of the following statements describes the graph shown below?

Accepted Answer

To burn 480 calories, an individual must walk for 4 hours.

Answer

At 0 hours, 240 calories are burned.

Answer

To burn 180 calories, an individual must walk 3 hours.

Answer

An individual that walks for 6 hours burns less than 400 calories.

Question 5

5. Missy and Andrew want to figure out which restaurant has the best deal on french fries. They record the cost of an order of french fries and the number of fries in the order from four different restaurants. Which restaurant charges the greatest amount of money per fry?

Accepted Answer

Restaurant 1

Answer

Restaurant 2

Answer

Restaurant 3

Answer

Restaurant 4

Question 6

Which of the following situations could be represented by the expression -15 + 6?

Accepted Answer

Matt owes $15 to his mom and his friend owes his $6.

Answer

Melissa made 15 dollars at her job and spent $6.

Answer

Ralph scored 15 points on Tuesday and 6 points on Wednesday.

Answer

Katrina drove 15 miles to town and drove 6 miles to her friend's house.

Question 7

Select the expression that is equal to -20(-2x+5).

Accepted Answer

40x - 100

Answer

-40x + 100

Answer

40x + 100

Answer

-40x - 100

Question 8

Which of the following expression results in a positive number?

Accepted Answer

7 3/4 + (-7 1/4)

Answer

0.77 + (-1.45)

Answer

-3/2 + (-3/2)

Answer

-1.23 + .23

Question 9

Which of the following expressions is equivalent to 1/2?

Accepted Answer

4/6 + (-1/6)

Answer

-2/3 - (-7/3)

Answer

1/2 + 4/3

Answer

-7/6 + 2

Question 10

Which of the following expressions is equal to 12?

Accepted Answer

6 - (-6)

Answer

-15 - 3

Answer

-3 - (-9)

Answer

5 - 17

Question 11

Which of the following expressions results in a negative number?

Accepted Answer

(5)(-5)

Answer

(-6)(-3)(2)

Answer

(-3)(-8)

Answer

(-3)(2 - 6)

Question 12

Four expressions are shown below. Which expressions would give you the same answer?

Expression A: -3.43 + 1.24

Expression B: -3.43 - 1.24

Expression C: -3.43 + (-1.24)

Expression D: -3.43 - (-1.24)

Accepted Answer

B and C

Answer

B and A

Answer

A and C

Answer

B and D

Question 13

The temperature at 2 pm is 4 degrees Fahrenheit. By 5 pm the temperature had dropped 6 degrees. Mary and Mark have written expressions to represent the temperature change. Who has written the expression correctly?

Mary: 4 - 6

Mark: 4 + (-6)

Accepted Answer

Both of them

Answer

Mary

Answer

Mark

Question 14

Which of the following is the correct simplified expression for 10x - 3(4x + 6y) + 2y

Accepted Answer

-2x - 16y

Answer

-2x + 16y

Answer

22x + 20y

Answer

-2x +20y

Question 15

Solve the following inequality. (find x)

7x + 55 > 412

Accepted Answer

51

Answer

50

Answer

52

Answer

53

Question 16

20. Bob runs a T-shirt-distributing company with monthly fixed costs of $3000. He also spends $1.25 for each 16-ounce bag of coffee that he sells (x). During the month of September, his total costs were $10,000. Which of the following equations represents his total September costs?

Accepted Answer

3000 + 1.25x = 10,000

Answer

1.25(3000 + x) = 10,000

Answer

1.25 + 3000x = 10,000

Answer

(3000 + 1.25)x = 10,000

Question 17

Which equation could be used to solve the following problem? Daliha has read 125 pages of a 425-page book. She reads 15 pages each day. How many days will it take to finish?

Accepted Answer

125 + 15p = 425

Answer

15 + 125p = 425

Answer

15p + 425 = 125

Answer

125 x 15p = 425

Question 18

What value of y makes the equation below true?

Accepted Answer

-3

Answer

44

Answer

22

Answer

-6

Question 19

Look at the inequality below. Which graph represents the solution to the inequality?

2n + 6 > 4

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 20

Every month Jacie puts $50 into her savings account. Her mom puts an additional amount into the account every month. At the end of 12 months, Jacie has $900 total. How much is her mom putting into the account (use the equation below)?

12(x + 50) = 900

Accepted Answer

$25

Answer

$15

Answer

$20

Answer

$30

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