A rectangular fish tank has a base that is 9 inches
1 answer:
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ANSWER
EXPLANATION
The quadratic equation is:
Group variable terms:
Add the square of half, the coefficient of y to both sides.
The LHS us now a perfect square trinomial:
Take square root:
The first choice is correct.
Increasing the length by 
we have the new expression for the length as 
Increasing the width by
, we have the new expression for the width as 
Perimeter of a rectangle is given by adding all the sides, so we have
Increasing the width by
Perimeter of a rectangle is given by adding all the sides, so we have