December 2, 2015

Homework Help: math, algebra

Posted by jasmine20 on Saturday, April 14, 2007 at 10:57pm.

How can i solve for this would it best to factor or use the quadratic formula.

solve: x^2+2x-8=0

How about for this problem as well:

solve : x^2+7x-1 = 0

in the first, can you think of two multipliers of -8 that have a sum of 2??
how about 4 and -2
so it factors!

in the second, are there any factors of -1 that have a sum of 7????
not very likely, so use the formula

Answer this Question

First Name:
School Subject:

Related Questions

More Related Questions