Review

Find the unit rate if 12 tablets cost $1,440.

• $100

• $150

• $120

• $50

Which of the following are rational numbers?

Mark all the correct options. More than one option may be correct.

• 5/7

• 1 and 2

• 2 and 3

• 3 and 4

• 4 and 5

Which of the following is equal to 3^-2 ?

• 1/9

• -9

• 9

• 1/6

The first major ski slope in Vermont has a rise of 9 feet vertically for every 54 feet horizontally. A second ski slope has a rise of 12 feet vertically for every 84 feet horizontally. Which of the following statements is true?

• The first slope is steeper than the second

• The second slope is steeper than the first

• Both slopes have the same steepness

• Cannot be determined from the information given

David is having a Super Bowl party and he needs bottled sodas. Which of the following purchases will give him the lowest unit cost?

• $2.00 for a 6 pack

• $6.00 for a 24 pack

• $3.60 for a 12 pack

• $10.00 for a 36 pack

Which of the following lines has the steepest slope?

• y = 4x + 5

• y = -3x + 5

• y = 3x - 5

• They all have the same slope

Which of the following is the equation of the line passing through the points (0, -3) and (-3, 0)

• y = -3x + 3

• y = -3x

• y= -x - 3

• y= -x

Martha is on a trip of 1924 miles. She has already traveled 490 miles. She has 3 days left on her trip. How many miles does she need to travel each day to complete her trip?

• 450 miles/day

• 464 miles/day

• 478 miles/day

• 492 miles/day

Find the solution to the following equation: 6x + 1 = 4x - 3

• x = -1

• x = -2

• x = -0.5

• There is no solution