find a quadratic equation with the roots 2, 4.?

0 ⤊

find a quadratic equation with the roots 2, 4.?

2007-04-16 07:18:35 · 4 answers · asked by meg 1 in Science & Mathematics ➔ Mathematics

4 answers

Roots 2, 4

x = 2

x - 2 = 2 - 2

x - 2= 0

-- -- -

x = 4

x - 4 = 4 - 4

x - 4 = 0

- - - - - - - -

FOIL

(x - 2)(x - 4) =

x² - 2x - 4x + 8 = 0

x² - 6x + 8 = 0

- - - - - - - s-

2007-04-16 07:41:46 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋

(x-2)(x-4)=0

2007-04-16 14:20:57 · answer #2 · answered by Raien 3 · 0⤊ 0⤋

(x - 2).(x - 4) = 0
xÂ² - 4.x - 2.x + 8 = 0
xÂ² - 6.x + 8 = 0

2007-04-16 14:33:45 · answer #3 · answered by Como 7 · 0⤊ 0⤋

x^2- 6x + 8

2007-04-16 14:21:10 · answer #4 · answered by ignoramus 7 · 0⤊ 0⤋