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25
×
Convert the following quadratic equation from standard form to vertex form. f(x)=2x^2-16x+20
f(x) = 2(x - 4)^2 - 12
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10
×
To convert the following function into vertex form, what number would you add/subtract to complete the square? f(x)=x^2-4x+1
3
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10
×
What is the vertex of the following quadratic function? f(x)=x^2+8x+11
(-4,-5)
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20
×
Convert the following quadratic equation from standard form to vertex form. f(x)=x^2+10x+30
f(x) = (x + 5)^2 + 5
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lifesaver
Give 25 points!
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seesaw
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shark
Other team loses 10 points!
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thief
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5
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25
5
×
State the y-intercept of the following function.
(0,-8)
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10
×
What number would you replace with c in order to create a perfect square trinomial? f(x)=x^2+14x+c
49
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20
×
State the interval(s) of negativity for the following function.
x<-4, x>2
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15
×
Explain in detail how you would graph the following function. f(x)=3(x-1)^2+2
Plot the vertex at (1,2), use the 3-9-15 rule opening up to plot the remaining points.
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15
×
Convert the following quadratic into standard form. f(x) = (x + 1)^2 - 5
x^2+2x-4
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thief
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25
×
star
Double points!
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gift
Win 25 points!
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thief
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25
15
×
State the interval(s) of negativity for the following function.
-4<x<2
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15
×
State the interval of decrease for the following function.
x<-1
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15
×
State the interval of increase for the following function.
x>-1
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thief
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10
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20
25
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seesaw
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fairy
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25
×
thief
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5
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25
10
×
Describe the shifts that occurred to the following functions. f(x)=(x+3)^2-6
Horizontal shift left 3, vertical shift down 6.
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