Homework Help!!!!!!!!!!!!?

Which is a zero of f(x) = x2 - 15x + 54?

A.9
B.15
C.5
D.3

2007-05-10 12:36:43 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

(x-6)(x-9)
x = 6, 9
A) 9

2007-05-10 12:40:01 · answer #1 · answered by richardwptljc 6 · 0⤊ 0⤋

f(x) = 0 when:-
xÂ² - 15x + 54 = 0
(x - 9).(x - 6) = 0
x = 9, x = 6
ANSWER A

2007-05-11 05:07:32 · answer #2 · answered by Como 7 · 0⤊ 0⤋

fedest.com, questions and answers