Direction: Write the letter of the correct answer.
1. Which of the following is the mathematical expression for the perimeter of a square?
a, s2
b. s +s
C. 45
d. 2(L - 210)
2. Which would best represent "twice the sum of three and a number x"?
a.2x + 3 b. 2 + 3x c. 2(x+3)
d. x2 + 3
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Answer:
Explanation:
1. in number 1 s + s + s + s can be simplified as 4S
2. in number two you will add x + 3 the multiply it by 2 as seen in the answer