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Question 1 of 5Find the vertex by Completing the Square
$$f(x)=-2x^2-12x-28$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$(-3,-10)$$
B
$$(-7,-13)$$
C
$$(5,11)$$
D
$$(3,-8)$$
E
$$(9,2)$$
Question 2 of 5Find the vertex by Completing the Square
$$f(x)=2x^2+16x+30$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$(-4,-2)$$
B
$$(6,7)$$
C
$$(-8,-1)$$
D
$$(-1,-1)$$
E
$$(-4,9)$$
Question 3 of 5Find the vertex by Completing the Square
$$f(x)=-\frac{1}{4}x^2-x+6$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$(3,-4)$$
B
$$(6,-8)$$
C
$$(-2,7)$$
D
$$(1,-2)$$
E
$$(5,-9)$$
Question 4 of 5Determine which Equation Matches the Graph
Graph of a Quadratic Equation or a Parabola
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$f(x)=-x^2-4x-5$$
B
$$f(x)=-2x^2+6x-\frac{1}{3}$$
C
$$f(x)=-4x^2-5x-1$$
D
$$f(x)=-8x^2-x+\frac{4}{3}$$
E
$$f(x)=-5x^2+x-20$$
Question 5 of 5Determine which Equation Matches the Graph
Graph of a Quadratic Equation or a Parabola
Finish »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$f(x)=2x^2-3x+7$$
B
$$f(x)=\frac{1}{2}x^2+x-\frac{1}{2}$$
C
$$f(x)=3x^2-4x+5$$
D
$$f(x)=\frac{1}{5}x^2+5x-6$$
E
$$f(x)=\frac{1}{3}x^2-7x+2$$

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