skiberamanda skiberamanda

23-04-2018
Mathematics

contestada

Solve the equation using square roots.

x2 – 14 = –10

A : ±2
B : no real number solutions
C : ±4
D : 2

Respuesta :

sqdancefan sqdancefan

30-12-2018

Answer:

A : ±2

Step-by-step explanation:

Add 14 and you have ...

... x² = 4

Take the square root and you have ...

... x = ±√4 = ±2

Answer Link

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