Question

The difference between the roots of the quadratic equation x² - 11x + k =o is
3. Complete the activity to find the value of k.​

Answer 1

Answer:

28

Step-by-step explanation:

let a& b be roots of equation.

we know-

a+b = 11

ab= k

now, (a+b)² - 4ab = (a-b)²

121 - 4k = 9

112=4k

k=28

Answer 2

Answer:

Step-by-step explanation:

let a& b be roots of equation.

we know-

a+b = 11

ab= k

now, (a+b)² - 4ab = (a-b)²

121 - 4k = 9

112=4k

k=28