Test PracticeT
98 IntegersC 41. OPEN ENDED Write a subtraction sentence using integers. Then, write
the equivalent addition sentence and explain how to find the sum.- FIND THE ERROR Hiroshi is finding - 15 - (-18).
Find his mistake and correct it.
–15 – (–18) = –15 + (–18)
= –33- CHALLENGE True or False? When n is a negative integer, n - n = 0.
- E WRITE MATH If x and y are positive integers, is x - y always
positive? Explain.
Add. (Lesson 2B)- 10 + (-3) 48. - 2 + (-9) 49. - 7 + (-6) 50. - 18 + 4
- State the quadrant in which the graphed point is located. y
O x(Lesson 1C)Evaluate each expression. (Lesson 1B)- |- 12 |
- |- 3 | + |- 5 |
- |- 25 | ÷ 5 - |- 3 |
45. Which sentence about integers is NOT
always true?
A. positive - positive = positive
B. positive + positive = positive
C. negative + negative = negative
D. positive - negative = positive
46. Morgan drove from Los Angeles
(elevation 330 feet) to Death Valley
(elevation -282 feet). What is the
difference in elevation between
Los Angeles and Death Valley?- 300 - 200 - 100 0 100 200 300
F. 48 feet H. 582 feet
G. 148 feet I. 612 feet
- 300 - 200 - 100 0 100 200 300
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