Question

For the graph y find both x-intercepts by solving the equation 3x^2 - 24x + 45 =0
3x^2 - 24x + 45 =0
first divide by 3 to simply
x^2 - 8x + 15 = 0
(x-3)(x-5) = 0

x = 3 or x = 5

check:
http://www.wolframalpha.com/input/?i=plot+y+%3D+3x%5E2+-+24x+%2B+45

Related Questions

For the graph y find both x-intercepts by solving the equation 3x^2 - 24x + 45 =0 a) Direction of... Let y=3(x-4)^2 -3 a) Show that y=3x^2 -24x +45 b) For the graph of y find both x intercepts b... If a graph of a quadratic function can have 0, 1 or 2 x-intercepts. How can you predict the number o...