Question

b) Find the value of . if the roots of the quadratic equation 2x²-6x²+k =0 are real and equal.​

Answer 1

The answer is k=9/2 or 4.5

step by step answer:

D= 0 when roots of the quadratic equation are real and equal.

a=2

b=-6

c=k

D=b²-4ac = 0

(-6)²-4*2*k = 0

36-8k=0

-8k = -36

k=36/8

k=9/2

or

k=4.5

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Answer 2

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