Asked by Rachyl

Write the equation of the quadratic function with x-intercepts at (−1,0) and (5,0), and y-intercept at (0,−15). NEED HELP ASAP!!!
Answered by justin
i got u
Answered by justin
hold lemme do it really quick
Answered by oobleck
x-intercepts at (−1,0) and (5,0)
y = a(x+1)(x-5)

y(0) = -15, so
a(1)(-5) = -15
a = 3
so y = 3(x+1)(x-5)
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