1.	Which is the correct interpretation of the rate 10 inches of rain: 4 hours?
		A.	5 inches of rain fell in 4 hours	B.	5 inches of rain fell in 2 hours
		C.	10 inches of rain fell in 2 hours	D.	2 inches of rain fell in 5 hours
		Hint
	2.	Determine whether the ratios and form a proportion. Justify your answer.
		A.	No, they are unit rates.	B.	Yes, their cross products are equal.
		C.	No, their cross products are not equal.	D.	Yes, they are both percents.
		Hint
	3.	The average human heart beats 72 times in 60 seconds. How many times does it beat in 45 seconds?
		A.	54 times	B.	30 times
		C.	96 times	D.	84 times
		Hint
	4.	A rectangle is 4 centimeters by 5 centimeters. The sides of a similar rectangle are twice as long. What is the ratio of the perimeter of the first rectangle to the perimeter of the second rectangle?
		A.		B.
		C.		D.
		Hint
	5.	A stop sign casts a shadow 8 meters long, while a bush nearby casts a shadow 4.5 meters long. If the stop sign is 3.2 meters high, how tall is the bush?
		A.	5.7 meters	B.	4.3 meters
		C.	1.8 meters	D.	11.3 meters
		Hint
	6.	A guy wire is attached to the top of a telephone pole and goes to the ground 8 feet from the base. When Jim stands under the guy wire so that his head touches it, he is 3 feet from where the wire goes into the ground. If Jim is 6 feet tall, how tall is the telephone pole?
		A.	24 feet	B.	16 feet
		C.	20 feet	D.	12 feet
		Hint
	7.	Graph with vertices A(1, 2), B(4, 1), C(5, 3). Graph the image of with a scale factor of 2.
		A.
		B.
		C.
		D.
		Hint
	8.	On a map, the scale is inch = 300 miles. Find the actual distance between two cities that have a map distance of 5 inches.
		A.	3,300 miles	B.	3,000 miles
		C.	2,727 miles	D.	1,650 miles
		Hint
	9.	What is the ordered pair of the dilation of A(, ) if the scale factor is ?
		A.	(, )	B.	(2, )
		C.	(, )	D.	(, )
		Hint
	10.	The price of various size jars of spaghetti sauce are given in the table. Which size costs the least per ounce?
		A.	12 ounces	B.	16 ounces
		C.	26 ounces	D.	20 ounces
		Hint
	11.	A mother has graphed her baby’s growth. Find the rate of change in the weight of the baby from 3 months to 6 months.
		A.	1.5 pounds per month	B.	1.25 pounds per month
		C.	1.375 pounds per month	D.	1.75 pounds per month
		Hint
	12.	The owner of a house graphed the value of her home starting in 1997. Find the rate of change in value from 2000 to 2003.
		A.	$500 per year	B.	$1,500 per year
		C.	$1,000 per year	D.	$4,500 per year
		Hint
	13.	Find the slope of the line.
		A.	1	B.	-1
		C.	0	D.	2
		Hint
	14.	The graph shows the distance traveled by some hikers. Interpret the meaning of the slope as a rate of change.
		A.	The hikers are traveling at a rate of 6 miles per hour.	B.	The hikers are traveling at a rate of 3 miles per hour.
		C.	The hikers have traveled a total of 3 miles.	D.	The hikers have traveled a total of 6 miles.
		Hint
	15.	Triangle ABC DEF. Each side of ABC is 1 times longer than the corresponding sides of DEF. If the perimeter of ABC is 36 centimeters, what is the perimeter of DEF?
		A.	12 centimeters	B.	24 centimeters
		C.	18 centimeters	D.	54 centimeters
		Hint
	16.	The Washington Monument is about 555 feet tall. Bento wants to make a model of the monument that is between 10 and 12 inches tall. Choose an appropriate scale for Bento to use.
		A.	1 inch = 40 feet	B.	1 inch = 70 feet
		C.	1 inch = 60 feet	D.	1 inch = 50 feet
		Hint