Question

Persamaan Kuadrat ?
no.7 dan 8.
mohon Jawabannya beserta caranya

Answer 1

X²+5x+k = 0

jmlh x₁+x₂ = -b/a
                = -5/1
                = -5

kali x₁.x₂ = c/a
              = k/1
              = k