B.4/12
C.7/12
D.8/12
_________A parallelogram has an area of 288 square centimeters and a height of 12 centimeters.
What is the length of the base of the parallelogram?
____cm
Answer:
x=7 x=-5
Step-by-step explanation:
x^2 – 2x – 35 = 0
Factor
What 2 numbers multiply to -35 and add to -2
-7*5 = -35
-7+5 = -2
(x-7) (x+5) =0
Using the zero product property
x-7 =0 x+5=0
x-7+7=0+7 x+5-5=0-5
x=7 x=-5