7.5 - Set I - Warm Up

The lines in the previous graph were ​ (a)   to each other.

• parallel
• perpendicular
• intersecting

The lines in the previous graph were ​ (a)   to each other.

• parallel
• perpendicular
• equal

• (-2, 7)

• (6, 9)

• (-5, 8)

• (10, 3)

• (3, -2)

• (10, 4)

• (7, 5)

• (5, -1)

This function shows how the volume of a typical balloon depends on the temperature of the gas with which it is filled.

What is the approximate volume of the balloon when the temperature is 70°C?

• 120 cm³

• 102.2 cm³

• 122 cm³

• 102 cm³

This function shows how the volume of a typical balloon depends on the temperature of the gas with which it is filled.

What is the approximate temperature when the volume of the balloon is 110 cubic centimeters?

• 20°C

• 3°C

• 30°C

• 29°C