what two numbers add up to negative 8 and have a product of 7?

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what two numbers add up to negative 8 and have a product of 7?

2006-11-29 16:08:03 · 6 answers · asked by Joe G 1 in Education & Reference ➔ Homework Help

6 answers

-1 and -7.......
hmmmmmm

2006-11-29 16:11:45 · answer #1 · answered by Dako 2 · 0⤊ 0⤋

-7 + -1 = -8, and the product of these numbers is +7

2006-11-30 00:12:54 · answer #2 · answered by Nellie 1 · 0⤊ 0⤋

-1 and -7

2006-11-30 01:03:13 · answer #3 · answered by Mickey 1 · 0⤊ 0⤋

-7 & -1

-7 + -1 = -8

-7 * -1 = 7

2006-11-30 00:11:16 · answer #4 · answered by Anonymous · 1⤊ 0⤋

the 2 nos are -7 and -1

2006-11-30 04:03:18 · answer #5 · answered by ptpt 2 · 0⤊ 0⤋

x+y=-8.......(1)
xy=7.........(2)
from(1):
x=-8-y......(3)
Sub (3) into (2):
(-8-y)(y)=7
-8y-y^2-7=0
y^2+8y+7=0
y=-1 or y=-7
Solve for X.

The two number should be -1 and -7.

2006-11-30 00:17:03 · answer #6 · answered by Flyweesh 2 · 0⤊ 0⤋