IM Unit 6: Test Study Guide

Select all equations where x=5 is a solution.

• 9 – x = 3

• 1 + x = 6

• 1/5 x = 1

• X – 3 = 2

• 7 = 2x

Which expression is equivalent to 18c – 6d?

• 3(6c + 2d)

• 2 (9c – 6d)

• 2(9c – 3d)

• c(18 – 6d)

Here is an expression: 4*3^x. Evaluate the expression when x = 2.

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2/3 of the students in the cafeteria are 6th graders. How many 6th graders are there if the cafeteria has 180 kids? How many kids are not 6th graders?

• 60 6th graders and 120 not 6th graders

• 120 6th graders and 60 not 6th graders

• 90 6th graders and 90 not 6th graders

• 180 6th graders and 0 not 6th graders

Write two equations to represent this scenario: Mai poured 6.8 liters of water into 4 jugs equally.

• x = 6.8 / 4

• y = 6.8 + 4

• z = 6.8 - 4

• w = 6.8 * 4

If 1/5 x = 1, what is the value of x?

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• (8, 6)

• (6, 8)

• (9, 6)

• (6, 9)

• 3

• 4

• 5

• 6

It took to Mr. Romo 30 minutes to eat 6 donuts. How long would it take him to eat 18 donuts?

• 30

• 60

• 90

• 45

Jada makes fruity juice by mixing 3 cups of mango juice with every 4 cups of apple juice. Fill in the blank: If she uses 10 cups of apple juice, she will need ____ cups of mango juice.

• 7.5

• 8

• 9

• 10