Question 455108
y = 3x^2-5x-7
then, set y=0 to find the x-intercepts:
0 = 3x^2-5x-7
since you can't factor the right, apply the "quadratic formula" to get:
x = {2.57, -0.91}
.
x-intercepts are at:
(2.57,0) and (-0.91,0)
.
details of quadratic follows:
*[invoke quadratic "x", 3, -5, -7 ]