Question

14.
Kate found the area of a pound, but her final answer came out as 72,000 inches squared. She wants to convert the answer to a more appropriate unit and quantity. Which answer choice should she use to express her final solution?

0.0000179
�
�
�
�
�
2
0.0000179miles
2


500
�
�
2
500ft
2


0.0000465
�
�
2
0.0000465km
2


500
�
�
�
�
500feet

Answer 1

15.
Presley is solving the linear equation
6
�
+
9
+
12
=
45
6x+9+12=45
As she was solving she took the equation
6
�
+
21
=
45
6x+21=45
performed an algebraic operation and ended up with
6
�
=
24
6x=24
Which algebraic property justifies this operation?

Addition Property of Equality

Subtraction Property of Equality

Multiplication Property of Equality

Division Property of Equality

Answer 2

16.
Solve the equation below for a
�
�
+
�
=
�
ax+b=c

�
=
�
�
−
�
a=
c−b
x
​


�
=
�
�
−
�
�
a=xc−xb

�
=
�
−
�
�
a=
x
c−b
​


None of the above

Answer 3

17.
The linear expression
−
12
�
+
48
−12x+48
represents the number of pictures remaining based on the number of film cartridges used x. Which of the following parts of this expression represents the starting number of pictures?

48

-12

12

x

Answer 4

18.
Select all the coefficients in the expression below

−
7
�
−
3
�
+
4
−7x−3x+4

-7x

-7

-3

4

Answer 5

19.
In the linear expression
2
�
+
9
2x+9
the 9 is a __________. Select all that apply.

variable

coefficient

term

constant

factor

Answer 6

20.
Solve for x: 2x + 6 = 14

x = 8

x = -4

x = 4

x = 10

Answer 7

The most appropriate unit and quantity for expressing the final solution would be 500 square feet.

Answer 8

Subtraction Property of Equality

Answer 9

None of the above

Answer 10

48

Answer 11

-7

-3

There are two coefficients in the expression: -7 and -3.

Answer 12

term

constant

Answer 13

To solve for x, we need to isolate the variable on one side of the equation.

2x + 6 = 14
Subtract 6 from both sides:
2x = 14 - 6
2x = 8
Divide both sides by 2:
x = 4

Therefore, the solution is x = 4.