SOLUTION: find the number b such that the vertex of the parabola y= x²+bx+c lies on the y-axis

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Question 1106790: find the number b such that the vertex of the parabola y= x²+bx+c lies on the y-axis
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
highlight%28b=0%29.

y=x%5E2%2B0%2Ax%2Bc
y=x%5E2%2Bc-------the vertex will be on the y-axis, and will be (0,c).