Parabola in standard form

label Calculus
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Write the equation of a parabola in standard form with vertext (-2,3) that passes through f(2)=7

Apr 2nd, 2015

equation of parabola 

y=a(x-(-2))^2 + 3

y = a(x+2)^2 + 3


passes through (2,7)

7 = a(2+2)^2 + 3

7 = a*16 + 3

7-3 = 16a

4 = 16a

a= 4/16

a = 1/4

Apr 2nd, 2015

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Apr 2nd, 2015
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Apr 2nd, 2015
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