Question 1

What is the excluded value:  $y=\frac{5}{x+3}$

Accepted Answer

$x=-3$

Answer

$x=5$

Answer

$x=3$

Answer

$x=-5$

Question 2

What is the excluded value:  $y=\frac{-2}{3x-2}$

Accepted Answer

$x = \frac{2}{3}$

Answer

$x=-2$

Answer

$x=\frac{-2}{3}$

Answer

$x=2$

Question 3

Find the sum or difference:  $\frac{2n+5}{6}+\frac{n+4}{6}$

Accepted Answer

$\frac{n+3}{2}$

Answer

$\frac{3n+9}{12}$

Answer

$\frac{n+3}{4}$

Answer

$\frac{3n+9}{6}$

Question 4

Find the sum or difference:  $\frac{15x+1}{3x+1}-\frac{3x-3}{3x+1}$

Accepted Answer

$4$

Answer

$\frac{12x-2}{3x+1}$

Answer

$\frac{12x+2}{3x+1}$

Answer

$\frac{18x-4}{3x+1}$

Question 5

Find the quotient or product:  $\frac{14x^4y+21x^3}{7x^2}$

Accepted Answer

$2x^2y+3x$

Answer

$2x^2+3x$

Answer

$2x^2y+3$

Answer

$2x^6y+5x^5$

Question 6

Find the quotient or product:  $\frac{20x^7y^5}{z^5}\cdot\frac{z^7}{5x^2y}$

Accepted Answer

$4x^5y^4z^2$

Answer

$4x^5y^5z^2$

Answer

$\frac{20x^7y^5z^7}{5x^2yz^5}$

Answer

$4x^9y^6z^{12}$

Question 7

Find the quotient: $\frac{x^2-7x}{x^2-49}$

Accepted Answer

$\frac{x}{x+7}$

Answer

$\frac{x}{x-7}$

Answer

$\frac{x+7}{x-7}$

Answer

$\frac{x}{7}$

Question 8

Find the quotient:  $(6x^2+5x-21)\div(3x+7)$

Accepted Answer

$(2x-3)$

Answer

$(3x+7)$

Answer

$6x^2+2x-14$

Answer

$(2x+3)$

Question 9

Find the sum or difference.  $\frac{2x}{x+5}-\frac{1}{x^2-25}$

Accepted Answer

$\frac{2x^2-11}{(x+5)(x-5)}$

Answer

$\frac{(2x^2-6)}{(x+5)(x-5)}$

Answer

$\frac{2x-1}{(x+5)(x-5)}$

Answer

$\frac{2x-1}{(x+5)(x^2-25)}$

Question 10

Simplify:  $\frac{(x-5)(x+3)(x-1)}{(x+3)(x-1)}$

Accepted Answer

$(x-5)$

Answer

$(x-5)(x-1)$

Answer

$\frac{(x-5)(x-1)}{(x-1)}$

Answer

$\frac{(x+3)(x-1)}{(x+3)(x-1)}$

Question 11

Simplify:  $\frac{x^2-9x+14}{(x-7)}$

Accepted Answer

${(x-2)}$

Answer

${(x+2)}$

Answer

$\frac{(x-2)(x+7)}{(x-7)}$

Answer

$\frac{(x-1)(x-15)}{(x-7)}$

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