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Mathematics LibreTexts

1.9.2: Practice Test

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Practice Test

For the following exercises, identify the number as rational, irrational, whole, or natural. Choose the most descriptive answer.

1.

−13

2.

2

For the following exercises, evaluate the expression.

3.

2(x+3)12;x=2

4.

y(3+3)226;y=1

5.

Write the number in standard notation: 3.1415×106

6.

Write the number in scientific notation: 0.0000000212.

For the following exercises, simplify the expression.

7.

−2(2+32)2+144

8.

4(x+3)(6x+2)

9.

353−3

10.

(23)3

11.

8x3(2x)2

12.

(16y0)2y−2

13.

441

14.

490

15.

9x16

16.

121b21+b

17.

624+754126

18.

3−84625

19.

(13q3+2q23)(6q2+5q3)

20.

(6p2+2p+1)+(9p2−1)

21.

(n2)(n24n+4)

22.

(a2b)(2a+b)

For the following exercises, factor the polynomial.

23.

16x281

24.

y2+12y+36

25.

27c31331

26.

3x(x6)14+2(x6)34

For the following exercises, simplify the expression.

27.

2z2+7z+3z294z215z+94z21

28.

xy+2x

29.

a2b2b9a3a2b6a


1.9.2: Practice Test is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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