Which statements are true when solving x*2 -8x +16=0? A x=+4.

B Factor to solve.

C x=4 is a double root.

D Complete the square root to solve.

E The equation is a perfect trinomial.
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Given:

The given equation is

To find:

The correct statement for the given equation.

Solution:

We have,

It can be written as

Using the identity of perfect square trinomial, we get

Here, x=4 has multiplicity two because the power of factor (x-4) is 2.

x=4 is a double root and the equation is a perfect trinomial.

Therefore, the correct options are C and E.

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