What are the solutions to the quadratic equation 4x2 64

Asked by admin @ in Mathematics viewed by 419 People

What are the solutions to the quadratic equation 4x^2 = 64?

A. x = −16 and x = 16 B. x = −8 and x = 8 C. x = −4 and x = 4 D. x = −2 and x = 2

Answered by admin @


Answer:

C

Step-by-step explanation:

Given

4x² = 64 ( divide both sides by 4 )

x² = 16 ( take the square root of both sides )

x = ± \sqrt{16} = ± 4

Solutions are x = - 4 and x = 4 → C


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