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Questions and Answers
Which mathematical operation would you perform first in the expression $5(7 + 3)$?
Which mathematical operation would you perform first in the expression $5(7 + 3)$?
- Add 5 and 7 together
- Subtract 3 from 7
- Multiply 5 by the sum of 7 and 3
- Evaluate the expression inside the parentheses (correct)
What is the result of the operation $5(7 + 3)$?
What is the result of the operation $5(7 + 3)$?
- 30
- 60
- 50
- 40 (correct)
Which of the following correctly represents the distributive property?
Which of the following correctly represents the distributive property?
- $a(b - c) = ab - ac$
- $a(b + c) = a + b + c$
- $a + (b + c) = ab + ac$
- $a(b + c) = ab + ac$ (correct)
In the expression $2(x + 3) + 4$, what should be done first?
In the expression $2(x + 3) + 4$, what should be done first?
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Which expression is equivalent to $5 + 2(3 + 4)$?
Which expression is equivalent to $5 + 2(3 + 4)$?
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