Unit 5 Inequalities and Equations Test Review

Which of the following problems matches the equation

x - 5 = 6

• Hank gave each of his 5 friends 6 cookies. How many does he have left?

• Hank had 6 cookies left after he gave away 5 cookies to his brother Jack. How many did he have to start with?

• Hank gave away 6 cookies and he started with 5. How many does he have now?

Which of the following situations can be described by the equation 2x - 4 = 10

• Mary earned $10, which was 14 more than twice what Lacy earned.

• Mary earned $10, which was 2 times 4 less than what Lacy earned.

• Mary earned $10, which was 4 less than twice what Lacy earned.

Coach T's class has 24 students. As a reward for their good behavior, she wanted to give 4 pieces of candy to each student. Since she has only 75 pieces of candy, she will need to go get more. Which of the following equations can she use to find c, the number of pieces she needs to buy?

• (24 + c) / 4 = 24

• (75 x 4) + c = 24

• c = (24 x 4) - 75

• c = (75 + 24) /4

Laser tag tickets cost $4 for kids and $8 for adults. Which equation below could be used to find X, the cost of 3 kids tickets and 2 adult tickets?

• X = (3 + 4) + (2 + 8)

• X = (3 x 4) + (2 x 8)

• X = (3 x 4) x (2 x 8)

When x is divided by -3 the result is not greater than 3. Which of these could be the value of x?

• - 15

• 12

• - 6

• - 18

What is the value of z in the equation below?

z - 125.045 = 189.323

• 65.288

• 304.368

• 64.278

• 314.368

what is the value of a in the equation below?

-4a = -400

• -10

• 100

• -100

• 10

What is the value of y in the equation below?

3/5(y) = 600

• 1000

• 500

• 450

• 300

Which number line shows the solution to the inequality

x - 2 > 4

• A

• B

• C

• D

Which value of m will make the equation true?

35 = m - 24

• 24

• 11

• 59

• 35