MCQ
The expression that can represent the area of a square is:
- A$x^2 - 4x - 4$
- B$x^2 - 7x + 16$
- ✓$x^2 + 6x + 9$
- D$x^2 - 10x + 36$
✓
Answer
Correct option: C.
$x^2 + 6x + 9$
$x^2 + 6x + 9 = (x)^2 + 2(x) (3) + 3^2 = (x + 3)^2$
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