Question

If (4 -k)x2 + 2(k+2)x +8k+1 =0 has equal roots then k is

Answer 1

Answer:

Explanation:

The quadratic formula states:

For

a

x

2

+

b

x

+

c

=

0

, the values of

x

which are the solutions to the equation are given by:

x

=

−

b

±

√

b

2

−

(

4

a

c

)

2

⋅

a

Substituting:

1

for

a

8

for

b

15

for

c

gives:

Answer 2

Answer:

k = 0 , -3

Step-by-step explanation:

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