3.8.2: Practice Test

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Practice Test

484.

Locate and label $0, 2, −4,$ and $−1$ on a number line.

In the following exercises, compare the numbers, using $< or > or =.$

485.

ⓐ $−6__3$
ⓑ $−1__−4$

486.

ⓐ $−5__| −5 |$
ⓑ $- | −2 |__−2$

In the following exercises, find the opposite of each number.

487.

ⓐ $−7$
ⓑ $8$

In the following exercises, simplify.

488.

$- (−22)$

489.

$| 4 - 9 |$

490.

$−8 + 6$

491.

$−15 + (−12)$

492.

$−7 - (−3)$

493.

$10 - (5 - 6)$

494.

$−3 \cdot 8$

495.

$−6 (−9)$

496.

$70 \div (−7)$

497.

${(−2)}^{3}$

498.

$- 4^{2}$

499.

$16 −3 (5 −7)$

500.

$| 21 - 6 | - | −8 |$

In the following exercises, evaluate.

501.

$35 - a when a = −4$

502.

${(−2 r)}^{2} when r = 3$

503.

$3 m - 2 n when m = 6, n = −8$

504.

$- | - y | when y = 17$

In the following exercises, translate each phrase into an algebraic expression and then simplify, if possible.

505.

the difference of −7 and −4

506.

the quotient of $25$ and the sum of $m$ and $n .$

In the following exercises, solve.

507.

Early one morning, the temperature in Syracuse was $−8 °F.$ By noon, it had risen $12°.$ What was the temperature at noon?

508.

Collette owed $$128$ on her credit card. Then she charged $$65.$ What was her new balance?

In the following exercises, solve.

509.

$n + 6 = 5$

510.

$p - 11 = −4$

511.

$−9 r = −54$

In the following exercises, translate and solve.

512.

$The product of 15 and x is 75.$

513.

$Eight less than y is −32.$

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Practice Test