Question 1176697
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y = a*x^2
-27 = a*3^2 .... plug in (x,y) = (3,-27)
-27 = a*9
-27 = 9a
9a = -27
9a/9 = -27/9 ..... divide both sides by 9
a = -3


Answer: y = -3x^2
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