7th Grade Practice

What is circumference?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Find the circumference of a circle with
radius = 2 cm

• 6.3 cm
• 1.26 cm
• 12.6 cm
• 126 cm

If you are given the diameter, how can you calculate the radius

• Multiply the diameter by 2
• Divide the diameter by 2
• add the diameter plus 2

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

What is the radius of this circle?

• 12
• 6
• 24

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14
• y=14

What is the constant of proportionality?

• $3
• $4
• $2
• $9