Question

what is the value of a​

Answer 1

Answer:

(-9)

Step-by-step explanation:

let f(x)=6x²+ax+7

f(x) is divided by x-2

x-2=0=>x=2

apply 2 in f(x) using remainder theorem

so we will get remainder to 13

f(2)=6×2²+2a+7=13

f(2)=24+2a+7=13

f(2)=2a+31=13

f(2)=2a=-18=>a= (-9)