How do i calculate this?
A root of x^2+7x=-8 is ...
and does someone know where i could practice these types of questions?
+129840 x^2+7x=-8 add 7 to both sides
x^2 + 7x + 8 = 0 this will not factor....using the quadratic formula......the solutions are :
x = [ - 7 + √17]/ 2 and x = [ - 7 - √17]/ 2
Hre's a couple of practice websites:
http://regentsprep.org/Regents/math/algtrig/ATE3/quadpractice.htm
http://regentsprep.org/Regents/math/ALGEBRA/AE5/PFacEq.htm
