9000146203
Level:
A
Expand the following expression.
\[
\left (x^{5} -\sqrt{2}y\right )^{2}
\]
\(x^{10} - 2\sqrt{2}x^{5}y + 2y^{2}\)
\(x^{10} -\sqrt{2}x^{5}y + 2y^{2}\)
\(x^{10} - 2\sqrt{2}x^{5}y - 2y^{2}\)
\(x^{10} -\sqrt{2}x^{5}y - 2y^{2}\)
Polynomials and Rational Expressions
9000146204
Level:
A
Expand the following expression.
\[
\left (\frac{a}
{2} + 4b^{3}\right )^{2}
\]
\(\frac{a^{2}}
{4} + 4ab^{3} + 16b^{6}\)
\(\frac{a^{2}}
{4} + 2ab^{3} + 16b^{6}\)
\(\frac{a^{2}}
{4} + 4ab^{3} + 16b^{5}\)
\(\frac{a^{2}}
{4} + 2ab^{3} + 16b^{5}\)
9000146206
Level:
A
Factor the following expression.
\[
x^{2}y^{10} - 81
\]
\(\left (xy^{5} - 9\right )\left (xy^{5} + 9\right )\)
\(\left (xy^{5} - 9\right )\left (xy^{5} - 9\right )\)
\(\left (xy^{5} - 9\right )\left (xy^{2} + 9\right )\)
\(\left (xy^{5} - 9\right )\left (xy^{2} - 9\right )\)
9000146205
Level:
A
Factor the following expression.
\[
9a^{6} - 4b^{2}
\]
\(\left (3a^{3} - 2b\right )\left (3a^{3} + 2b\right )\)
\(\left (3a^{3} - 2b\right )\left (3a^{3} - 2b\right )\)
\(\left (3a^{3} - 2b\right )\left (3a^{2} + 2b\right )\)
\(\left (3a^{3} - 2b\right )\left (3a^{2} - 2b\right )\)
9000146704
Level:
A
Expand the following polynomial.
\[
(3 - x)(x - 2) - (x + 1)(x - 3)
\]
\(- 2x^{2} + 7x - 3\)
\(- 2x^{2} + 3x - 9\)
\(- 2x^{2} + 3x - 3\)
\(- 2x^{2} + 7x - 9\)
9000146703
Level:
A
Expand the following expression.
\[
(a - 2)(5a + 3) - (2a + 1)(3 - a)
\]
\(7a^{2} - 12a - 9\)
\(3a^{2} - 12a - 9\)
\(7a^{2} - 2a - 9\)
\(3a^{2} - 2a - 9\)
9000101603
Level:
A
Simplify the polynomial \((x + 1)(x - 1)^{2} - (x - 1)(x + 1)^{2}\)
into one of the following forms.
\(- 2\left (x - 1\right )\left (x + 1\right )\)
\(2\left (x - 1\right )\left (x + 1\right )\)
\(0\)
\(2\)
9000101707
Level:
C
Factor the following polynomial.
\[
x^{6} - 1
\]
\(\left (x - 1\right )\left (x + 1\right )\left (x^{2} + x + 1\right )\left (x^{2} - x + 1\right )\)
\(\left (x - 1\right )\left (x + 1\right )\left (x^{2} + x + 1\right )\left (x^{2} - x - 1\right )\)
\(\left (x - 1\right )\left (x + 1\right )\left (x^{2} + 2x + 1\right )\left (x^{2} - 2x + 1\right )\)
\(\left (x - 1\right )\left (x + 1\right )\left (x^{2} + x - 1\right )\left (x^{2} - x + 1\right )\)
9000101605
Level:
B
Expand \(\left (4x^{2}y + 2xy^{2}\right )^{3}\).
\(64x^{6}y^{3} + 96x^{5}y^{4} + 48x^{4}y^{5} + 8x^{3}y^{6}\)
\(16x^{2}y^{3} + 24x^{3}y^{3} + 8x^{3}y^{6}\)
\(64x^{6}y^{3} + 96x^{3}y^{3} + 96x^{4}y^{5} + 8x^{3}y^{6}\)
\(64x^{6}y^{3} + 8x^{3}y^{6}\)
9000101607
Level:
B
Expand \(\left (x^{2} - y\right )^{3} -\left (y + x^{2}\right )^{3}\).
\(- 6x^{4}y - 2y^{3}\)
\(- 2y^{3}\)
\(- 6x^{4}y - 2y^{3} + 6x^{2}y^{2}\)
\(6x^{2}y - 2y^{3}\)