Given an equation in vertex form how would you determine which way the graph is opening?

A) open up if is positive .

B) open down if is negative.

Step-by-step explanation:

If you are given a quadratic in vextex form, , then the parabola is:

A) open up if is positive .

B) open down if is negative.

what is the question? i am guessing you are looking for the area.

to find an area, you have to do length x width.

in this case, it would be 12 ft x 4 ft = 48 sq. ft