Equations & Inequalities Review

Which value of k makes the equation k/2 = 10 true

• 20

• 12

• 8

• 5

Ms. Wong ordered a box of 50 shirts to sell in her clothing store. She quickly sold 30 of the shirts. Which equations can be used to find how many shirts, s, Ms. Wong has left to sell?

• 50 + s = 30

• s − 30 = 50

• 50 + 30 = s

• s + 30 = 50

Solve for z.

Which number line models the solution to the equation 3x = 3?

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Select the equation that has x=9 as a solution.

Miguel baked 42 cookies for a charity bake sale. He made packages with 3  cookies in each. What equation can be used to find how many packages, p, of cookies Miguel made?

Select the value of r that make the inequality r > 4.6 true.

• r=4.6

• r=5.05

• r=3.7

• r=4.08

Tommy is making muffins.  His recipe uses more than 3 cups of flour (f) and less than 2 cups of sugar (s). Select the pair of inequalities that models the possible quantities for each ingredient.

• f>3 and s<2

• f>3 and s>2

• f<3 and s<2

• f<3 and s>2

Which inequality matches the number line shown?

• j > -3

• j > -3

• j < -3

• j < -3

Which inequality has x=2 as a possible solution?