Question

find the discriminant of the equation 2 x square minus kx minus 4 equals to zero is 64​

Answer 1

Answer:√32

Step-by-step explanation:

2x²-kx-4=0

discriminant formula =b²-4ac

b=-k,a=2,c=-4

substituting all the values in the formula,

(-k)²-4×2×-4

k²-32=0

k²=32

k=√32

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