Question 1 of 5Solve each Equation by Factoring
$$x^2=13x-40$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=7\hspace{.5em}or\hspace{.5em}x=2$$
B
$$x=13\hspace{.5em}or\hspace{.5em}x=2$$
C
$$x=-5\hspace{.5em}or\hspace{.5em}x=8$$
D
$$x=5\hspace{.5em}or\hspace{.5em}x=8$$
E
$$x=-7\hspace{.5em}or\hspace{.5em}x=2$$
Question 2 of 5Solve each Equation by Factoring
$$x^2+5x=14$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=9\hspace{.5em}or\hspace{.5em}x=4$$
B
$$x=-1\hspace{.5em}or\hspace{.5em}x=1$$
C
$$x=7\hspace{.5em}or\hspace{.5em}x=-3$$
D
$$x=-7\hspace{.5em}or\hspace{.5em}x=2$$
E
$$x=13\hspace{.5em}or\hspace{.5em}x=8$$
Question 3 of 5Solve each Equation by Factoring
$$x^2=40-3x$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=-3\hspace{.5em}or\hspace{.5em}x=4$$
B
$$x=5\hspace{.5em}or\hspace{.5em}x=-8$$
C
$$x=-5\hspace{.5em}or\hspace{.5em}x=8$$
D
$$x=3\hspace{.5em}or\hspace{.5em}x=-4$$
E
$$x=11\hspace{.5em}or\hspace{.5em}x=5$$
Question 4 of 5Solve each Equation by Factoring
$$3x^2+15x+17=5x^2$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=-\frac{3}{4}\hspace{.5em}or\hspace{.5em}x=7$$ $$x=-\frac{3}{4}$$$$or$$$$x=7$$
B
$$x=\frac{1}{9}\hspace{.5em}or\hspace{.5em}x=2$$ $$x=\frac{1}{9}$$$$or$$$$x=2$$
C
$$x=\frac{17}{2}\hspace{.5em}or\hspace{.5em}x=-1$$ $$x=\frac{17}{2}$$$$or$$$$x=-1$$
D
$$x=\frac{1}{9}\hspace{.5em}or\hspace{.5em}x=-2$$ $$x=\frac{1}{9}$$$$or$$$$x=-2$$
E
$$x=\frac{7}{8}\hspace{.5em}or\hspace{.5em}x=-1$$ $$x=\frac{7}{8}$$$$or$$$$x=-1$$
Question 5 of 5Solve each Equation by Factoring
$$12x^2-16=2x+7x^2$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=\frac{2}{7}\hspace{.5em}or\hspace{.5em}x=9$$ $$x=\frac{2}{7}$$$$or$$$$x=9$$
B
$$x=-\frac{3}{5}\hspace{.5em}or\hspace{.5em}x=7$$ $$x=-\frac{3}{5}$$$$or$$$$x=7$$
C
$$x=\frac{1}{5}\hspace{.5em}or\hspace{.5em}x=-5$$ $$x=\frac{1}{5}$$$$or$$$$x=-5$$
D
$$x=\frac{8}{5}\hspace{.5em}or\hspace{.5em}x=-2$$ $$x=\frac{8}{5}$$$$or$$$$x=-2$$
E
$$x=-\frac{8}{5}\hspace{.5em}or\hspace{.5em}x=2$$ $$x=-\frac{8}{5}$$$$or$$$$x=2$$

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