Unit 1A Review

What is the first step to solve this equation:

- 3x -11 = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

Solve for x:

2x - 3 = 1

• x = 3

• x = 2

• x = 1

• x = -2

Solve for a:

-3a + 8 = 14

• a = -2

• a = -7.5

• a = 2

• a = 6

If, 6x = 12

What does 12 - x equal?

• 11

• 12

• 10

• 13

What is the result when you distribute:

6 (n - 2)

• 6n - 2

• 6n - 12

• 6n + 12

• 6n + 2

21 = 3(m + 2)

• m = 5

• m = -8

• m =9

• m = 7

Jacob collects hats. He has 6 hats already and collects 2 more hats each week. Jacob wants to collect 32 hats.

What equation represents the problem?

• 6 + 2x = 32

• 2 + 6x = 32

• 32 + 2x = 6

• 32 + 6x = 2

At Joe's Clown Car Rental Agency, renting a car costs a one time fee of $35 plus $0.75 for every mile it is driven. Which of the equations below would be the correct if it costs Melissa $105 to rent a car?

• 105 = 35 + 0.75

• 105 = 35x + 0.75

• 105 = 0.75x + 35

• 35 = 105x + 0.75

A plant is 5cm tall and growing at a rate of 3cm a month. How many months would it take for the plant to reach 23 cm?

• 2 months

• 5 months

• 6 months

• 7 months