Question

If one of the root of equation is x²-7x+k=0 is 2 find the value of k​

Answer 1

Answer:

k=10

Step-by-step explanation:

it is given that one root is 2

so we put 2 as p(x)

p(x)= x²-7x+k=0   ( x=2)

p(2)=(2)²-7(2)+k=0

4-14+k=0

-10+k=0

k=10