Solve for x.

2x2=128

−6 and 6
−8 and 8
−32 and 32
−64 and 64

x = - 8, x = 8

Step-by-step explanation:

Given

2x² = 128 ( divide both sides by 2 )

x² = 64 ( take the square root of both sides )

x = ± = ± 8

That is x = - 8, x = 8

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step-by-step explanation:

choice b is correct

step-by-step explanation:

we have been given the following system of inequalities;

we are required to graph the solution to the system of inequalities. using a graphing tool, the graph of the system is as shown in the attachment. the continuous line represents the graph of while the dotted line represents .