forms of quadratic equations

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9 Terms

1
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vertex form

y = a ( x - h )2 + k

2
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standard form

y = ax2 + bx + c

3
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factored form

y = a (x-r) (x-s)

4
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what does vertex form help determine?

vertex

5
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what does standard form help determine?

y intercept

6
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what does factored form help determine

x intercepts

7
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how to determine vertex from vertex form

in

y = a ( x - h )2 + k

vertex = (h , k)

8
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how to determine y-intercept from standard form

in

y = ax2 + bx + c

y-intercept = (0 , c)

9
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how to determine x-intercepts from factored form

in

y = a (x-r) (x-s)

r and s are x-intercepts