Unit 6 Test Review

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The solution set for the inequality 6.8x < 21.08 is shown on the number line.

Which value of x is NOT in the solution set for 6.8x < 21.08

• -3.1

• 3.1

• -0.2

• 3

• I, II, III, and IV

• I,II and III only

• I and II only

• III and IV only

Mrs.Rhodes has a maximum of $50 to spend at the movie theater. A ticket to the movie theater costs $14. She can spend p dollars to buy snacks at the movie theater. Which inequality can be used to find the possible values for p?

Which equation is true when x equals -7

• x - 7 = 0

• x + 7 = 0

• x - 14 = 7

• x - 14 = -7

• 65.7 kg

• 114.7

• 180 kg

• 245.7

Jasmine is selling books for $14 each. She wants to make more than $210 in book sales. The inequality 14b > 210 can be used to determine the number of books, b, she must sell in order to meet her goal. Which number line best represents the solution to the inequality?

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Which two expressions are equivalent?

• 16 ÷ ( 4 + x )

  and

  ( 16 ÷ 4 ) + X

• 14 (x+4)

  and

  14x + (14 ⋅ 4)

• ( 2 + 4 ) ⋅ x

  and

  2 + ( 4 ⋅ x )

• 7 + ( x - 5 )

  and

  7 + ( 5 - x )

Which inequality is true when x = 5 ?