Semester Review

What is the slope of the following 12x - 6y = 30

• 12

• 2

• -2

• -12

Which graph represents x=2?

• A

• B

• C

• D

Find the equation of the line in slope-intercept form.

Dexter's Gym charges a one-time registration fee of $40 and $20 each month. The total fee after x months is $340. Which equation models this situation?

• 40x + 20 = 340

• 20x + 40 = 340

• 20x - 40 = 340

• 20 + 340 = 40x

Which is a function?

• W

• X

• Y

• Z

Write an equation for the word problem: A tree was planted when it was 10 inches tall. It grows 3 inches per week.

• y=3x

• y=10x + 3

• y = 10x

• y = 3x+10

Write in slope intercept form5x - 3y = -9

Rowdy received a gift card for $30 worth of game downloads. The function below can be used to find the balance remaining, B(x), on the gift card after Rowdy downloads x games. B(x) = 30- 1.5x

If the price of the game downloads remains the same, what is the maximum number of games Rowdy can download using his gift card?

• 30 Games

• 60 Games

• 20 Games

• 15 Games

Solve using elimination:

6x + y = 5

2x - y = -5

• (0,5)

• (-3,-6)

• (-6,3)

• (6,5)

What is the solution?

• (2,2)

• (2,-2)

• (-2,2)

• (-2,-2)