Solve the following equation algebraically: 2 x squared = 98 a. x = 7 b. x = plus-or-minus 49 c. x = plus-or-minus 7 d. x = 49

asked Jan 22, 2021 106k views

4 votes

Solve the following equation algebraically:

2 x squared = 98
a.
x = 7
b.
x = plus-or-minus 49
c.
x = plus-or-minus 7
d.
x = 49

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4 votes

Answer:

c.
$x = \pm 7$

Explanation:

2x^2 = 98

x^2 = 49

$x = \pm√(49)$

$x = \pm 7$

Matt Lo answered Jan 29, 2021

6.5k points

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