Chapter 2 Review Question Preview (ID: 52572)


Inequalities Review. TEACHERS: click here for quick copy question ID numbers.

Your math club is selling bags of popcorn to raise money for a Math Club Party. For each bag of popcorn you sell, $4 goes towards your Math Club Party. You hope to earn at least $140 for the party. Which inequality best represents this situation?
a) 140x ≥ 4
b) 4x ≥ 140
c) 4x ≤ 140
d) 140 ≥ 4x

Solve -2(10-3b) ≥ 6(b-3)-2
a) all real numbers
b) no solution
c) b ≥ 0
d) b ≤ 0

Solve -8 -6r ≥ 10 or 3r + 6 ≥ 24
a) -3 ≤ r ≤ 6
b) r ≤ 3 or r ≥ 6
c) r ≤ -3 or r ≥ 6
d) 3 ≤ r ≤ 6

An app is offering a promotion. When you spend $30 or more, you receive 3 gift items for free. You buy an item for $10. Identify an inequality that represents how much more money m you must spend to receive the three free gift items.
a) 10 + m ≥ 30
b) 10 + m ≤ 30
c) m - 10 ≥ 30
d) m - 10 ≤ 30

Solve -6 ≤ x - 2.
a) x ≥ -4
b) x ≥ 4
c) x ≤ 4
d) x ≤ -4

-12 ≥ 4x
a) x ≤ -3
b) x ≥ -3
c) x ≤ 3
d) x ≥ 3

(t ÷ -4) + 6 ≤ 8
a) t ≤ -8
b) t ≥ -8
c) t ≥ 8
d) t ≤ 8

Write as an inequality. 5 is no greater than 4 times a number x minus 2.5.
a) -2.5 ≤ 4x ≤ -2.5
b) 5 ≥ 4x -2.5
c) 5 ≤ 4 + x - 2.5
d) 5 ≤ 4x - 2.5

Which is NOT a solution of 17 - 2x ≥ 5?
a) -4
b) -10
c) 10
d) 0

You are trying to earn money for a gift. Your goal is to save $110 but no more than $190. There are 20 gifts you want to buy at equal price and a $10 gift. Which is the best statement?
a) 5 ≤ n ≥ 9
b) 5 ≤ n ≤ 9
c) 6 ≤ n ≤ 10
d) 6 ≥ n ≥ 10

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