Chapter 1 Enrichment Review

• x = 75

• x = 90

• x = 96

• x = 108

• x = 4

• x = 0

• All Real Numbers

• No Solutions

• x < 11

• x > 11

• x < 7

• x > -11

Write these solutions in interval notation:

Julia climbed 1,000 stairs in 4 minutes. After 20 minutes, she had climbed 5,800 stairs. Find her average rate of change.

• 250 stairs per minute

• 290 stairs per minute

• 300 stairs per minute

• 4800 stairs per minute

Write the equation of a line with a y-intercept of -4 and a slope of 1/2.

Write the equation of a line through (-18,10), with a slope of 1/2. Write your final answer in standard form.

Write the equation of the line through (4,-5) and (3,2). Write your answer in slope-intercept form.