Math, asked by rudrasharma2805, 2 months ago

find k if discriminant of kx²- 4x - 4=0 is 64

Answers

Answered by SanehaSiddique

1

Answer:

disc. = b²-4ac

64 = (-4)²-4(k)(4)

64= 16-16k

16k=16-64

16k = -48

k = -48/16

k = -3

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