Quote: what are the y intercepts of the graph y=18x^2+9x-5
you need to solve for 0 = 18x^2 + 9x - 5
you can use the quadratic formula
x = (-b +/- sqrt(b^2 - 4ac))/2a
which gives you the solutions to 0=ax^2 + bx + c
in this case
a=18
b=9
c=-5
you can plug the numbers in
