2 years ago

The rectangle shown has an area of (y^2+8y+15)m^2 what is the width of the rectangle

1 answer:

4 0

If the dimensions are "nice" factors of the quadratic, and if y > -3, we have
.. area = (y +3)(y +5)

y+5 is greater than y +3, so we take the width to be ....
.. width = y+3

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