1-11-12 INTERIM and Final Review

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1-11-12INTERIM and Final Review
• 1. When Jacqueline begins her math homework, she spends 7 minutes getting out her book, finding a pencil, looking up her assignment in her notebook and finding the correct page in her textbook. The equation t = 15p + 7 models the time t, in minutes, she budgets for a math assignment with p problems.
• She budgets 17 minutes per problem
• She budgets 15 minutes per problem.
• She budgets 7 minutes per problem.
• She budgets 15 minutes per problem for the hard problems and 7 minutes per problems for the easy problems.
• She budgets an 7 minute break after each problem.
• 2. The average temperature for each day of last week is listed below. How much does the temperature change from Day 1 to Day 2?

Interim Review

4. Which inequality is graphed below?

A.x ≥ -4

B.-4 ≤ x < 6

C.x < 6

-4 ≤ x ≤ 6

-4 < x ≤ 6

5. A student earns \$8 for every lawn he mows. Which equation shows the relationship between the number of lawns mowed ℓ and the wages earned d?

A.ℓ = d + 8

B. 8 – ℓ = d

C.ℓ = 8d

D. 8ℓ = d

6. Solve the equations for the students’ wages, if they mow 2, 6 and 10 lawns.

A. (16, 2), (48, 6), (80, 10)

B. (2, 16), (6, 48), and (10, 80)

C. (8, 2), (8, 6), and (8, 10)

D. (2, 8), (6, 8), and (8, 10)

7. Determine which relation is a function.

A. (-5, 0), (2, 4), (-5, 2)

B. (2, 7), (8, 4), (8, 9)

C. (4, 2), (1, 5), (5, 2)

D. (6, 4), (6, 3), (-9, 3)