True or False: The vertex of the graph y=ax^2 will be at the origin.
1 answer:
If b^2 - 4ac = 0, then b^2 = 4ac. Therefore, ac = 4 and b = + or -2.
That means that if b can be multiple things, then there a two y = equations.
y=ax^2+2x+c
y=ax^2-2x+c
so to find the intercept equations:
0=ax^2+2x+c; 0 = x(ax+2)+c; x(ax+2) = -c
0=ax^2-2x+c; 0 = x(ax -2)+c; x(ax-2) = -c
That means x has a positive and a negative value, so there is more than 1 intercept.
False.
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