Unit 2 Test #3 Review

What is the value of n in the equation below?

4n - 8 - 12n = -24

• -1/2

• -2

• 1/2

• 2

Factor 12a + 24b + 60 by finding the greatest common factor.

• 6(2a + 4b + 10)

• 6(12a + 24b + 60)

• 12(a + 2b + 5)

• 12(12a + 24b + 60)

Which of the following shows the solution set of the inequality below?

-3x + 5 > 26

• x > -7

• x < -7

• x < 7

• x > 7

Which situation can be solved using -12 + 12 = 0

• Tara has $12 and deposits $12

• Chris loses $12 twelve times

• The temperature at 7am is -12 degrees. Two hours later the temperature increased 12 degrees.

• Kevin jogs 12 blocks toward the park, stops to talk and jogs the remaining 12 blocks to the park.

A coffee shop costs $20 a day to rent outdoor space plus $0.95 for each coffee sold. If the owner of the shop would like to keep costs at or below $55 per day, write an inequality that shows the maximum number of coffees that can be made each day.

Jim wants to make weight for the upcoming wrestling tournament this weekend. On Monday, he weighs 143 pounds. Jim gains 1.6 pounds per day. Which of the following expressions could be used to determine Jim's final weight on Friday?

• 143 + (1.6 x 4)

• 43 + 1.6

• 143 + (-1.6)

• 143 + (-1.6 x 4)

Tristan and Joy are both hiking on the same trail and are hoping to meet up. Tristan is at an elevation that is 36 feet above sea level and Joy is at an elevation of 7 feet below sea level. Which expression could be used to represent the different between the two elevations?

• l-36 + 7l

• l36 + (-7)l

• l-7 - (-36)l

• l36 - (-7)l

10(12) - 14 ÷ 2 +  15

Simplify the following expression:

-7(2x - 5) + 3(5x + 8)