Question

-7r2 + 7r + 2 = 2
Find Discriminant

Answer 1

I think r=0 I think that’s the answer

Answer 2

r = 1 , 0

Explanation:

-7
`r^(2)` + 7r + 2 = 2

-7r(r-1)=2-2

-7r(r-1)=0

r-1=0

r=1