Exploring Unit 5 Lesson 9 in Grade 7 Mathematics

If a girl is walking along a fence and is at a certain point, where would she be 5 seconds later if she continues in the same direction?

• At the same point

• Further along the fence in the same direction

• Back at the starting point

• In the opposite direction

What does a negative position value indicate in relation to the camera?

• The car is to the west of the camera

• The car is stationary

• The car is moving upwards

• The car is to the east of the camera

If a car has a velocity of -50 feet per second, in which direction is it moving?

• South

• North

• West

• East

How do you calculate the position of a car 10 seconds after it passes the camera if its velocity is +25 feet per second?

• Divide the velocity by 10

• Subtract 10 from the velocity

• Multiply the velocity by 10

• Add 10 to the velocity

What is the position of a car at -3 seconds if its velocity is -32 meters per second?

• 32 meters

• -96 meters

• 96 meters

• -32 meters

What is the result of multiplying a negative number by a positive number?

• Negative

• Positive

• Zero

• Undefined

If the temperature is falling at a constant rate of 3 degrees Celsius per hour, what will it be in 2 hours if it is currently 0 degrees?

• -3 degrees

• -6 degrees

• 3 degrees

• 6 degrees

How do you find the perimeter of a rectangle given its length and width?

• Multiply the length and width

• Multiply twice the length and twice the width

• Add twice the length and twice the width

• Add the length and width

What is the area of a rectangle with a length of 4 units and a width of 8 units?

• 32 square units

• 16 square units

• 24 square units

• 12 square units

If a stylist needs to make 100 ounces of dye and the original recipe makes 20 ounces, by what factor should the recipe be multiplied?

• 10

• 5

• 4

• 2