Question

Which equations are true for x = –2 and x = 2? Select two options x2 – 4 = 0, x2 = –4 3x2 + 12 = 0, 4x2 = 16, 2(x – 2)2 = 0

Answer 1

The equations that are true for x= –2 and x = 2 is x²-4=0 and 4×2=16

Explanation

x= -2, x=2: x²-4=0

x²= 0 (multiplying the value of x with itself)

Since x² means multiplying the value of x with itself and 4 times itself equals 16, the next value that equals x = –2 and x = 2 is 4×2=16

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