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16-09-2019
Mathematics

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Determine the discriminant of x2 = 4.
a) 17
b) 16
c) -15
d) -10

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Аноним Аноним

16-09-2019

Answer:

b). 16.

Step-by-step explanation:

x^2 = 4

We can write this as

x^2 + 0x - 4 = 0

The discriminant (b^2 - 4ac) =

0^2 - 4 * 1* -4

= 16.

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