jakepeavy70 jakepeavy70

17-09-2018
Mathematics

contestada

Given 2x² = -8, x is
a. -2
b. 2
c. 2i or -2i
d. 4i or -4i

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ariboo883 ariboo883

17-09-2018

your answer is (a) because 4 times 2 is 8 but since it's negative 2 it's negative 8

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