which of the quadratic equations have roots 2 , -1
please answer
Attachments:
Answers
Answered by
0
Answer:
may be Options B Or A
Just I like
Answered by
0
Answer:
option c
Step-by-step explanation:
-b +-√b^2-4ac/ 2a
option c
-(-1)+-√1+8 /2
=1+-√9 /2.
=1+3 /2 1-3 /2
= 4/2=2. =-2/2= -1
Similar questions