2-Step Equations STUDY GUIDE (page 3)

#6a) Identify the 2 quantities that change.

• Time and the age of the skydiver

• Falling distance and the distance the Earth is from the moon.

• Time and falling distance

• Falling distance and the starting height of the skydiver.

#6a) Which is the independent quantity?

• Time (in seconds)

• Falling distance (feet)

#6a) Which is the dependent quantity?

• Time (in seconds)

• Falling distance (feet)

#6b) Type in your expression.

Use x for your variable.

No spaces

#6c) What is the unit rate of change?

#6d). Look CAREFULLY at this graph. Is it correct?

• YES

• NO

#6e). Approximately how long would it take for the skydiver to fall to 6000 meters?

• About 10 seconds

• About 25 seconds

• About 40 seconds

• About 65 seconds