Writing Equations to Find Unknowns

Question 1

The correct equation is 8 = n ÷ 58 = 5 ÷ nn = 8 ÷ 55 = n ÷ 8.

Revolt · Accepted Answer

8 = n ÷ 5

Question 2

add 6 and 8divide 6 by 8multiply 6 by 8subtract 6 from 8

Revolt · Accepted Answer

multiply 6 by 8

Question 3

isis not

Revolt · Accepted Answer

is not

Question 4

To model the problem containing an unknown number, translate the statement into an equation.Sixteen is five less than a number. Which steps would you take to translate the statement?

Revolt · Accepted Answer

Replace “is” with =, “less than” with –, and “a number” with n to get 16 = n – 5.

Question 5

Question 7

Revolt · Accepted Answer

15; 3

Question 6

This statement represents an addition problema division problema multiplication problema subtraction problem.

Revolt · Accepted Answer

a division problem; .: a division problem; .: 8 = n ÷ 5

Question 7

[___] = n ÷ [___]

Revolt · Accepted Answer

"15"; "3"; 15

Question 8

constantoperationparenthesesvariable

Revolt · Accepted Answer

variable; First, Amelia must substitute 8 for the using .: variable; First, Amelia must substitute 8 for the using .: parentheses; To simplify, Amelia must .: multiply 6 by 8; 8 a solution of the equation.: is not

Question 9

[___] = n ÷ [___]

Revolt · Accepted Answer

3

Question 10

constantoperationparenthesesvariable

Revolt · Accepted Answer

parentheses

Writing Equations to Find Unknowns Answers

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