Quiz about Algebraic Modeling

Question 1

Which of the following equations best represents the model given? (square=1; rectangle=-x)

Accepted Answer

-3x+4=5

Answer

4+3x=5

Answer

4-3=5

Answer

4x-3=5

Question 2

What is the equation for the given model? (yellow rectangle=x; red square=-1; yellow square= +1)

Accepted Answer

3x-4=5

Answer

-3x-4=5

Answer

-3-4x=5

Answer

3-4x=5

Question 3

Which equation represents the model?

Accepted Answer

7 = x + 4

Answer

4x = 7

Answer

7 = x - 4

Answer

x + 4 = 3

Question 4

Tell whether the value of the variable is a solution to the equation:

7 = 13 - n; n=5

Accepted Answer

no

Answer

yes

Question 5

Tell whether the value of the variable is a solution to the equation:

17y=85; y=5

Accepted Answer

yes

Answer

no

Question 6

Tell whether the value of the variable is a solution to the equation:

2.5n=45; n=18

Accepted Answer

yes

Answer

no

Question 7

Tell whether the value of the variable is a solution to the equation:

3x +x-14=18; x=8

Accepted Answer

yes

Answer

no

Question 8

What equation is modeled?

Accepted Answer

x + 6 = 13

Answer

x - (-6) = 13

Answer

x + (-6) = 13

Answer

6x = 13

Question 9

Tell whether the value of the variable is a solution to the equation:

5 + x=47; x=52

Accepted Answer

no

Answer

yes

Question 10

Tell whether the value of the variable is a solution to the equation:

5q=31; q=13

Accepted Answer

no

Answer

yes

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