Question

12. If 2 is a root of a equation x2 + ax + 12 = 0, and the quadratic

equation x2 + ax + q = 0, has equal roots, find q.​

Answer 1

Answer:

q= -2

Step-by-step explanation:

hope this helped you

Answer 2

Answer:

q=16

Step-by-step explanation:

2 is a root of x²+ax+12

=>2²+2a+12=0

=>4+2a+12=0

=>2a+16=0

=>a=-8

Now x²-8x+q=0 has equal root

=> D=0=>b²-4ac=0

=>-8²-4*1*q=0

=>64-4q=0

=>q=16