Unit 2B Test 2

Isabella bought 3 songbooks and a new guitar. Each songbook cost the same price. The guitar cost $325.60. Before tax, she spent a total of $402.10. Which equation can be used to find c, the cost in dollars, of each songbook?

• 3c + 325.60 = 402.10

• 3c - 325.60 = 402.10

• 3 + c + 325.60 = 402.10

Tags

CCSS.HSA.CED.A.3

Write the operations needed to solve this equation.

36 = -3 + 2x

• Add 3 to each side. Then divide each side by 2.

• Add 3 to each side. The multiply each side by 2.

• Subtract 3 from each side. The divide each side by 2.

• Subtract 3 from each side. Then multiply each side by 2.

Tags

CCSS.HSA.REI.A.1

Solve the equation: 2(4a - 5) + 3a = 23

• a = 5

• a = 11

• a = 23

• a = 3

Tags

CCSS.8.EE.C.7B

Cameron has a stamp collection. He bought 9 more stamps. A week later, half of all his stamps were destroyed when he dropped them in a mud puddle. There are only 25 stamps left. With how many did he start? Which equation would be used to solve this situation?

• x + 9 = 25

• 2(25 + 7) = x

Tags

CCSS.HSA.CED.A.3

Solve: 4(y - 6) = -4

• y = 4

• y = 5

• y = 6

• y = 7

Tags

CCSS.7.EE.B.4A

Solve: 4y + 15 - 6y = -45

• y = 30

• y = -30

• y = 5

• y = -32

Tags

CCSS.8.EE.C.7B

• 13 cups

• 14 cups

Tags

CCSS.7.NS.A.3

Solve: -4(y + 8) - 5 = 51

• y = 22

• y = -22

• y = -12

• y = 12

Tags

CCSS.7.EE.B.4A

A rectangle has an AREA of 28 inches. The height of the rectangle is 2 and the width of the rectangle is 4x-1. Write the equation to represent the given situation.

• 2 + 4x -1 = 28

• 2 - 4x -1 = 28

• 2(4x - 1) = 28

Tags

CCSS.HSA.CED.A.3

Find the value of x: 2(4x - 1) = 28

• x = 3.75

• x = 4

• x = 3

• x = 5.6

Tags

CCSS.7.EE.B.4A