What are the x-intercepts of the functions fx)=-4(x+3)(x-9) ?​

Question

What are the x-intercepts of the functions fx)=-4(x+3)(x-9) ?​

in progress 0
Xavia 4 years 2021-08-12T09:44:27+00:00 1 Answers 6 views 0

Answers ( )

  1. binhan
    0
    2021-08-12T09:45:58+00:00
    Reply

    Answer:

    x=9 or -3

    Step-by-step explanation:

    used quadratic formula

    standard form: ax^2 + bx +c

    quadratic formula:

    x= -b +- square root of b^2 -4(a)(c) divided by 2(a)

    Google quadratic equation for more

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )