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Question 1 of 5: Solve each Equation
$$-4x^2+1-x=-2x^2$$ $$-4x^2+1-x$$$$=-2x^2$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$x=-\frac{1}{2},1$$
B
$$x=4,-3$$
C
$$x=\frac{3}{4},-3$$
D
$$x=\frac{\sqrt{2}}{2},-\frac{\sqrt{2}}{2}$$
E
$$x=\frac{1}{2},-1$$
Question 2 of 5: Solve each Equation
$$8x^2-10x-40=3x^2$$ $$8x^2-10x-40$$$$=3x^2$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$x=5,-9$$
B
$$x=4,-9$$
C
$$x=4\sqrt{2},-4\sqrt{2}$$
D
$$x=\frac{1}{9},-\frac{5}{9}$$
E
$$x=4,-2$$
Question 3 of 5: Solve each Equation
$$x^2=10-4x$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$x=-7+\sqrt{14},7-\sqrt{14}$$ $$x=-7+\sqrt{14},$$$$7-\sqrt{14}$$
B
$$x=-2+\sqrt{14},-2-\sqrt{14}$$ $$x=-2+\sqrt{14},$$$$-2-\sqrt{14}$$
C
$$x=-3+\sqrt{7},-3-\sqrt{7}$$ $$x=-3+\sqrt{7},$$$$-3-\sqrt{7}$$
D
$$x=3,-7$$
E
$$x=-\frac{3}{7},\frac{1}{14}$$
Question 4 of 5: Solve each Equation
$$-3x^2+14x+44=9x+x^2$$ $$-3x^2+14x+44$$$$=9x+x^2$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$x=-3,4$$
B
$$x=-\frac{11}{4},4$$
C
$$x=-\frac{1}{4},9$$
D
$$x=4\sqrt{2},-4\sqrt{2}$$
E
$$x=1+\sqrt{2},1-\sqrt{2}$$ $$x=1+\sqrt{2},$$$$1-\sqrt{2}$$
Question 5 of 5: Solve each Equation
$$-6x^2+6x+12=-7x^2-2x+9$$ $$-6x^2+6x+12$$$$=-7x^2-2x+9$$
Finish »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$x=4,-13$$
B
$$x=11,-13$$
C
$$x=\frac{2}{13},-\frac{11}{2}$$
D
$$x=-2+\sqrt{11},-2-\sqrt{11}$$ $$x=-2+\sqrt{11},$$$$-2-\sqrt{11}$$
E
$$x=-4+\sqrt{13},-4-\sqrt{13}$$ $$x=-4+\sqrt{13},$$$$-4-\sqrt{13}$$

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