Expressions with and without Parentheses

Question 1

Replace “a number” with the variable, n.The two operations are multiplication and addition.The two operations are multiplication and subtraction. The constants are 2 and 6.The expression is written as 2(n – 6).The expression is written as 2 × 6 – n.

Revolt · Accepted Answer

Replace “a number” with the variable, n.; The two operations are multiplication and subtraction.; The constants are 2 and 6.; The expression is written as 2(n – 6).

Question 2

evaluatesimplify✔ substitute

Revolt · Accepted Answer

✔ substitute

Question 3

evaluate✔ simplifysubstitute

Revolt · Accepted Answer

✔ simplify

Question 4

division✔ order of operationssubtraction

Revolt · Accepted Answer

✔ order of operations

Question 5

7✔ 924106

Revolt · Accepted Answer

✔ 9

Question 6

Question 6

Revolt · Accepted Answer

.: 9 + 7n – 3; .: 62

Question 7

4 – 10/y + 8✔ 10/y – 4 + 8 4 – 10y + 810y – 4 + 8

Revolt · Accepted Answer

✔ 10/y – 4 + 8; First, write the expression .: 10/y – 4 + 8; Second, 2 in for the variable, y.: substitute; Third, by using .: simplify; Third, by using .: order of operations; The answer is .: 9

Question 8

10 × 7 + j; when j = 1, the value is 717(10 + j); when j = 1, the value is 7710(7 – j); when j = 1, the value is 6010(7 + j); when j = 1, the value is 80

Revolt · Accepted Answer

10(7 + j); when j = 1, the value is 80

Question 9

Write and evaluate the expression. Then, complete the statement.three times the difference of nine and a numberThe value of the expression when h = 5 is

Revolt · Accepted Answer

12

Question 10

Write and evaluate the expression.Check all that apply.

Revolt · Accepted Answer

Write the expression as 11 +t2 -6; The value when t = 5 is 30.

Expressions with and without Parentheses Answers

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