Question

what are the x-intercepts of the parabola x^2+4x-12

Answer 1

Asking for the X-intercept means that Y=0 so we use the quadratic rule
\[\frac{ -b \pm \sqrt{B ^{2}-4ac} }{ 2a}\]
in this question
a=1 b=4 c=-12
So x=2 x=-6