Question

Which of the following are the x-intercepts on the graph of the function shown below?
f(x)=3(x+3)(x-5)
-3
5
3
-5

Answer 1

Set the equation equal to zero, solve for x.

Answer 2

well it can be more than one answer and I don't know what u mean

Answer 3

0=3(x+3)(x-5)

Answer 4

distribute and solve. 3x^2-6x-45=0
Use quadratic formula to solve for x:)
x=-3
x=5

Answer 5

so -3,5? thanks!

Answer 6

Yup:)