Slope & Rate of Change

Subject: Math  ·  Grade level: 8th

Master the slope formula, interpret graphs, and connect slope to real-world rates. Slope shows up every time something changes at a steady rate — speed, price

In this lesson

• What slope means
• Slope from two points
• Four kinds of slope
• Slope as a rate

Key terms

Slope (m)

The ratio of vertical change to horizontal change between two points on a line.

Rise

How much y changes (up or down).

Run

How much x changes (left or right).

Slope & Rate of Change lesson on BrightPath

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