Mathematics: Solve and Check 5z^2=-500

Solve and Check 5z^2=-500 - id525007609505, ywontu53

Ответ:

laidbackkiddo412

02.02.2022

$5z^{2}$ = -500

First, divide both sides by 5. / Your problem should look like: $z^{2} = -\frac{500}{5}$
Second, simplify $\frac{500}{5}$ to 100. / Your problem should look like: $z^{2} = -100$
Third, take the square root of both sides. / Your problem should look like: $z = \sqrt{-100}$ , $-\sqrt{-100}$
Fourth, simplify $\sqrt{-100}$ to $( \sqrt{100i} )$ / Your problem should look like: z = ± $\sqrt{100i}$
Fifth, 10 × 10 = 100, so the square root of 100 is 10. / Your problem should look like: z = ±10i

z = ±10i OR z = 10i, -10i

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Ответ:

graymonky12

11.02.2020

Mathematics

answer is A

Step-by-step explanation:

A. 24/6 x 10

B. 24/10 x 6

C. 6/10 x 24

D. 6/24 x 10

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Solve and Check 5z^2=-500

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