A piece of plywood was cut so it's length was 7 feet by 3 feet what is the perimeter of the wood
2 answers:
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The answer is B, I attached a picture of the steps.
Answer: If using complex numbers, or undefined if using all real numbers
Step-by-step explanation:
Moving -8 to the left side of the eq by adding both sides by 8=
x^2-3x+8=0
The quad formula:
a=1 b=-3 c=8
Inserting a b c values into formula:
Simplifying:
Since the square root of a negative number doesn't exist in the set of real numbers, the equation is undefined.
OR
Using complex numbers i, to replace the negative number created by subtracting 9-32.
