MEGANHOLTZCLAW2 MEGANHOLTZCLAW2

20-09-2017
Mathematics

contestada

Solve the equation.
If necessary, round to the nearest tenth.

4x^2 =81

A 20.25, -20.25
B 2.25, -2.25
C 4.5 -4.5
D 9, -9

Respuesta :

AnimeBrainly AnimeBrainly

20-09-2017

4x^2 = 81

4x = 9

x = 9/4

B is your answer

hope this helps

you must have a positive and a negative answer*
at least that is what my teacher told me lol

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