Review before January test

_{Line AB corresponds with what line?} 

• XZ
• XY
• YZ
• YX

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

Find the AREA of this figure.

• 160 square feet
• 161 feet
• 106
• 1600 feet

Find the PERIMETER of this figure.

• 10 square feet

• 20 cm

• 25 square feet

• 15 cm

Find the unit rate: $220 for 10 hours

• $20/hour

• $22/hour

• $22.50/hour

• $21/hour

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Which cheese is the better buy?

• Sargento
• Velveeta

If there are 20 apples in the fridge and 9 on the table, what is the ratio of apples in the fridge to apples on the table?

• 9/20
• 20/9
• 9.20
• 20.9

A building is 360 feet tall. On a scale drawing, 1/4 inch = 10 feet. What is the height of the building in the scale drawing?

• 15 in

• 9 in

• 7 in

• 13 in

Is the graph proportional or non proportional?

• proportional
• non proportional

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither