Equations and Inequalities Review

Gabrielle's mom is letting her pick out a new necklace to wear to the school dance next week. The price (p) of the necklace must be less than $12.75. Which inequality models the price of Gabrielle's necklace?

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Joshua weighs 78.4 kg. Mia and Joshua together weigh 137.2 kg.

An equation which can be used to calculate Mia's weight, m, is ​ (a)   .

Mia's weight in kilograms is ​ (b)   ​ .

• m + 78.4 = 137.2
• 58.8
• 59.2
• 69.2
• m - 78.4 = 137.2
• 78.4m = 137.2

Find the equation that represents the total distance (D) in miles Aaron has run in the past 12 months, if m equals the distance Aaron ran in miles per month.

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Groups:

(a) True

,

(b) False

• 4

• -5

• 9

• -6

• 16

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• 132

• 512

• 32

• 124

The number line below shows v, the amount of money Mandy needs to buy a new volleyball. Which inequality represents the values of v that are shown on the number line?

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• {-4, 0, 1}

• {2, 4.5, 5}

• {6, 10, 12}

• {-4, 0, 8}

• 45

• 486

• 6

• 63

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