3 years ago

A solution of the equation x^2/4=9 is

Mathematics

1 answer:

abruzzese [7]3 years ago

5 0

Answer:

x = ±6

Step-by-step explanation:

x^2/4=9

Multiply by 4 on each side

x^2/4 *4=9*4

x^2 = 36

Take the square root of each side

sqrt(x^2) = ±sqrt(36)

x = ±6

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