1.

Find the value of a so that (-2) is a root of 2x² - x + a = 010 -109-9​

Answer»

ANSWER:

a=-10 is the correct answer...

Step-by-step explanation:

keep -2 in X place

2(-2)²-(-2)+a= 0

2(4)-(-2)+a= 0

8 -(-2)+a= 0

8+2+a= 0

10+a= 0

a= 0-10

a= -10



Discussion

No Comment Found

Related InterviewSolutions