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.
−13
√2
For the following exercises, evaluate the expression.
2(x+3)−12;x=2
y(3+3)2−26;y=1
Write the number in standard notation: 3.1415×106
Write the number in scientific notation: 0.0000000212.
For the following exercises, simplify the expression.
−2⋅(2+3⋅2)2+144
4(x+3)−(6x+2)
35⋅3−3
(23)3
8x3(2x)2
(16y0)2y−2
√441
√490
√9x16
√121b21+√b
6√24+7√54−12√6
3√−84√625
(13q3+2q2−3)−(6q2+5q−3)
(6p2+2p+1)+(9p2−1)
(n−2)(n2−4n+4)
(a−2b)(2a+b)
For the following exercises, factor the polynomial.
16x2−81
y2+12y+36
27c3−1331
3x(x−6)−14+2(x−6)34
For the following exercises, simplify the expression.
2z2+7z+3z2−9⋅4z2−15z+94z2−1
xy+2x
a2b−2b9a3a−2b6a