Which represents the solution (s) of the system of equations, y = x2 - 4x - 21 and y = - 5x - 22? Determine the solution set algebraically.

(-1, - 17)

(1, - 27)

(-1, - 17) and (1, - 27)

no solutions

Question

Audrey

24 August, 18:49

+2

Answers (1)

Know the Answer?

Parker Mosley · Answer 1

Hello,

With

y=x²-4x-21

y=-5x-22

==>x²-4x-21=-5x-22

==>x²+x+1=0

In R, no solution for Δ=1-4=-3<0

Which represents the solution (s) of the system of equations, y = x2 - 4x - 21 and y = - 5x - 22? Determine the solution set algebraically.(-1, - 17)(1, - 27)(-1, - 17) and (1, - 27)no solutions