Test PracticeT
Lesson 3D Multiply and Divide Integers 113
C 40. OPEN ENDED Write a division sentence with a quotient of -12.
- Which One Doesn’t Belong? Identify the expression that does not
belong with the other three. Explain your reasoning.- 66 ÷ 11 - 32 ÷ (-4) 16 ÷ (-4) - 48 ÷ 4
- CHALLENGE Find values for x, y, and z so that all of the following
statements are true.
- y > x, z < y, and x < 0 • z ÷ 2 and z ÷ 3 are integers
- x ÷ z = -z • x ÷ y = z
- E WRITE MATH Evaluate - 2 · (2^2 + 2) ÷ 22. Justify each step.
Multiply. (Lesson 3C)
- 14(-2) 47. - 20(-3) 48. - 5(7) 49. (-9)^2
- DISPLAYS A display of cereal boxes has one box in the top row, two boxes
in the second row, three boxes in the third row, and so on, as shown. How
many rows of boxes will there be in a display of 45 boxes?(Lesson 3A) - Find 6 - (-12). (Lesson 2D)
- Name the quadrant in which the point (-4, -3) could be found on the
coordinate plane. (Lesson 1C) - SHORT RESPONSE The table shows
the points that each student lost on the
first math test. Each question on the test
was worth an equal number of points.
Student Points
Christopher - 24
Nythia - 16
Raul - 4
If Christopher answered 6 questions
incorrectly, how many questions did
Nythia answer incorrectly? Explain.
- On December 24, 1924, the temperature
in Fairfield, Montana, fell from 63°F at
noon to -21°F at midnight. What was
the average temperature change per
hour?
A. - 3.5°F
B. - 7°F
C. - 42°F
D. - 84°F
102_113_C2L3_895130.indd 113 12/29/09 12:51 PM