16.1k views
2 votes
Show work please

Consider the equation x² - 8x + 7 = 0
What is the discriminant
of the equation?
(A) -9
(C) 36
(B) -36
(D) 92

User Mario Eis
by
5.2k points

1 Answer

1 vote
x^2-8x+7=0
x^2-8x=(8)^2-8(1)(7)
=64-8-15
=57
User Danish
by
4.8k points