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Inequalities, Compound Inequalities, Absolute Value Inequalities. Unit 5 Quiz A Review (Concepts 1-3). This PowerPoint is animated. Click the right arrow to see the answer. Q. Translate this phrase into an inequality. Twice the sum of n and 3 is at most 28. A . 2(n + 3) ≤ 28.

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q translate this phrase into an inequality
Q. Translate this phrase into an inequality
  • Twice the sum of n and 3 is at most 28

A. 2(n + 3) ≤ 28

q translate this phrase into an inequality1
Q. Translate this phrase into an inequality
  • The product of 4 and n exceeds 2 less than n.

A. 4n > n -2

q write and solve an inequality
Q. Write and Solve an inequality.
  • James has 19 coins consisting of quarters and dimes. The value of the dimes is greater than that of the quarters. What is the greatest number of quarters James can have?
  • q = # of quarters
  • 19 – q = # of dimes
  • Value of dimes > value of quarters
  • 10(19 – q) > 25q
  • 190 – 10q > 25q
  • 190 > 35q
  • 5 3/7 > q
  • q < 5 3/7
  • James can have at most 5 quarters.
q true or false
Q. True or false?
  • This is the graph of |x + 8| > 12
  • A.False. The inequality could be written as |x - -8| >12 and read as the “distance between x and -8 is greater than 12.” The correct inequality would be |x – 8| >12
q solve this inequality
Q. Solve this inequality
  • |x| = -5

A. No solution. The absolute value of a number is always positive or zero.

q c 2 3 5 7 d 3 6 8
Q. C={2, 3, 5, 7} D={3, 6,8}
  • {3}
  • {2, 3, 5, 6, 7, 8}
  • Find C ∩ D
  • Find C U D