Question 43570
Find the x-intercepts 
y = x^2-5x-10 

To find the x-intercepts, let y=0, then solve for "x".

x^2-5x-10=0
Using the quadratic formula get:

x=[5+sqrt(25-4(1)(-10)]/2 = [5+sqrt65]/2

OR

x=[5-sqrt65]/2

Cheers,
Stan H.