Question

Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis. Which equation represents the average of the x-intercepts for f(x) = 4x2 – 24x + 20?

Answer 1

@jim_thompson5910

Answer 2

@acxbox22

Answer 3

@tabethap do you have a list of choices?

Answer 4

divide by 4 ....x^2-6x+5=0
factor (x-1)(x-5)=0
so x=1 or x=5
so mid way between is x=3

Answer 5

thank you