Unit 11 - Algebraic expressions and inequalities

Lisa has 8 more Pokémon cards than Justin. Lisa has 13 cards. Which equation represents this situation?

• y - 8 = 13

• 8y = 13

• y + 8 = 13

• 13 + y = 8

For which equation is z = 12 a solution?

• 3z = 15

• 10 - z = 7

• z + 4 = 11

• z - 3 = 9

Which of the following is an equation?

• 3x

• 2x + 1 = 7

• 45 x 8

• z + 3z + 4

Josh score 10 more points than Kasey. Josh scored 34 points. How many points did Kasey score?

• 34

• 44

• 24

• 14

Morgan has a table with a surface area of 48 square feet and a width of 8 feet. Which equation could you use to find the length of the table?

• 48 - x = 8

• 8 + x = 48

• 8x = 48

Solve 8q = 112

• q = 8

• q = 14

• q = 26

• q = 112

The area of a rectangular wall is 120 square feet. The width is 12 feet. What is the perimeter of the wall?

• 10

• 12

• 44

• 126

Which inequality is represented on the number line?

Erin earns $16 an hour. In one week she earned $144. Which equation represents the number of hours she worked?

• 16 + y = 144

• 144 - y = 16

• 144y = 16

• 16y = 144

Erin earns $16 an hour. In one week she earned $144. How many hours did she work?

• 16 hours

• 10 hours

• 9 hours

• 6 hours