Question

If one root of the equation 2x2 + ax + 6 = 0 is 2 then a is
0) 10
Not Attempted​

Answer 1

Step-by-step explanation:

one root of the equation 2x²

+ ax + 6 = 0 is 2

p(x)=2x²+ax+6

p(2)=2(2)²+a(2)+6

0=2(4)+2a+6

0=8+6+2a

0=14+2a

2a=-14

a= -7