1. Simplify the expression:

7 - 5x (3+x) + 4x

2. Simplify the expression:

3. What will happen to the slope of the line if the x-intercept increases by 2 units and the y-intercept remains the same?

a. The slope will change from negative to positive.b. The slope will change from positive to negative. c. The slope will increase.d. The slope will decrease.

f(x)=x+5

-9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9

-9

-8

-7

-6

-5

-4

-3

-2

-1

1

2

3

4

5

6

7

8

9

x

y

4. Solve the inequality for y and graph:

2x – 3y < 3

5. Which equation represents the line graphed below?

a. -2y + x = -6b. -2y – x = -6c. 2y – x = 6d. 2y – x = -6

f(x)=.5x-3

-9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9

-9

-8

-7

-6

-5

-4

-3

-2

-1

1

2

3

4

5

6

7

8

9

x

y

6. Bianca opened a savings account so that she can start saving money for college. The table shows the balance, b, in her account after each month, m.

Which equations represents this situation?A) b = 479 + 75mB) b = 554 + 75mC) b = 479 – 75m D) b = 554 – 75m

Number of months, m Savings account balance, b

1 554

2 629

3 704

4 779

5 854

7. Blockbuster is giving away free candy to customers who spend $25 or more on video game and movie rentals. Video games cost $3.75 to rent and movies cost $4.50 to rent. Which inequality describes the number of video games, v, and movies, m, you would have to rent to get free candy?

A) 3.75v + 4.50m < 25B) 3.75v + 4.50m > 25C) 3.75v + 4.50m ≤ 25D) 3.75v + 4.50m ≥ 25

8. If sales tax is 8.25% and you spend x dollars at your favorite clothing store, write the equation you can use to find out how much money you will spend total, y.