What are the solutions to m^2-9=0?

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asked Mar 21, 2019 103k views

2 votes

What are the solutions to m^2-9=0?

Mathematics
middle-school

Tom Kurushingal asked

by Tom Kurushingal

5.6k points

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2 Answers

3 votes

Answer:

The answer is B! m = -3 and m = 3

Explanation:

LargeDachshund answered Mar 21, 2019

by LargeDachshund

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6 votes

$\sf Hello!$

$\sf m^(2) - 9 = 0$

⇒
$\sf m^(2) = 9$

⇒
$\sf m$ = ±
$√(\sf 9)$

⇒
$\sf m$ = ±
$\sf 3$

⇒
$\sf m = 3 \:\: or \:\: m = -3$

$\sf Hence,$

$\sf The\: solutions\: for \:the \:eqn.\: \sf m^(2) - 9 = 0\: is$ ±
$\sf 3$

~
$\sf iCarl$