Question 1 of 5Solve each Equation using the Quadratic Formula
$$x^2-50=-16x+7$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=3,-19$$
B
$$x=9,-22$$
C
$$x=\frac{1}{3},-17$$
D
$$x=-1,26$$
E
$$x=\frac{2}{3},-22$$
Question 2 of 5Solve each Equation using the Quadratic Formula
$$2x^2-30x+36=-6-10x$$ $$2x^2-30x+36$$$$=-6-10x$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=7,3$$
B
$$x=5,-2$$
C
$$x=19,-6$$
D
$$x=\frac{12}{7},-\frac{5}{3}$$
E
$$x=-19,6$$
Question 3 of 5Solve each Equation using the Quadratic Formula
$$-25x=30-8x-2x^2$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=10,-\frac{3}{2}$$
B
$$x=-1,\frac{5}{2}$$
C
$$x=-19,25$$
D
$$x=3,\frac{9}{2}$$
E
$$x=\frac{5}{2},-\frac{13}{2}$$
Question 4 of 5Solve each Equation using the Quadratic Formula
$$-5x=-3x-9x^2-9$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=\frac{6 \pm 2i\sqrt{3}}{5}$$
B
$$x=\frac{1 \pm 2i\sqrt{2}}{9}$$
C
$$x=7 \pm 3\sqrt{5}$$
D
$$x=9 \pm 2\sqrt{5}$$
E
$$x=\frac{1 \pm 4i\sqrt{5}}{9}$$
Question 5 of 5Solve each Equation using the Quadratic Formula
$$3x^2=2+4x$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x=\frac{1 \pm \sqrt{5}}{2}$$
B
$$x=\frac{2 \pm \sqrt{10}}{3}$$
C
$$x=\frac{3 \pm \sqrt{65}}{4}$$
D
$$x=1,-\frac{4}{3}$$
E
$$x=\frac{-2 \pm \sqrt{22}}{3}$$

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