Question

If $$p(x) = x^2 - 2\sqrt{2}x + 1$$, $$p(2\sqrt{2}) = ?$$

Options

• 0

• 1

• –1

• –8

Answer 1

1

Explanation:

$$p(2\sqrt{2}) = (2\sqrt{2})^2 - 2\sqrt{2}(2\sqrt{2}) + 1$$

$$= 8 - 8 + 1$$

$$= 1$$