Activity 3. Performance Task
Direction: Solve the following.
(Show your solution)
1. What is the area of the rectangle whose length is (x + 2) and width (x-2) ?
2. What is the area of the square whose sides measure (2x + 3)?
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Answers & Comments
1. - 4
2. 9/4 or 2.25
EXPLANATION
1. L=X+2. X+2=0. X=-2
W = X-2. X-2=0. X=2
A=LXW
A=-2X2
A=-4
2. 2x+3=0
2x=-3
2x/2=-3/2
X=-3/2
A=S multiply by S
A=-3/2x-3/2
A=9/4 or 2.25
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