🚀 Space Math Explorers

TEACHER-GUIDE-VERIFIED · TG-V9-006

3. Mission control records points (0,40), (2,100), and (4,160) for time and altitude. Find the rate of change.

Verified solution

Solution: Rate = (100-40)/(2-0) = 60/2 = 30 altitude units per minute; the next pair confirms the same rate.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

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VIDEO HELP · TG-V9-006

Find Rate of Change and Write y = 30x + 40

Calculate the rate of change from three mission-control points, graph the ordered pairs, draw the line, and write the linear equation y = 30x + 40.

Space Math Explorers · approved worked example · 3:09 · Watch on YouTube

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These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.