What do the a in the equation y= ax2 + bx + c tell you about the parabola?
(75 points)
2 answers:
The EASIEST way to do it, is actually start with the form a(x-b)(x-c) or intercept form since you have intercepts
x ints at (0,0) and (4,0) so y=ax(x-4)
sub in (2,-4) it doesn't really matter whether or not its a vertex
-4=2a(2-4)
a=1
so y=x(x-4)
expand to get y=x^2-4x which is y=ax^2+bx+c form where a=1, b=-4, c=0
Answer:
Step-by-step explanation:
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