Find the Slope of a Line Using Two Points Practice Problems ANSWER KEY Part 1 Setting up the Problem 1 Understand the slope formula.
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m = y2 −y1 x2 −x1 m = y 2 - y 1 x 2 - x 1 Substitute in the values of x x and y y into the equation to find the slope. m = 6− (2) 9−(−7) m = 6 - ( 2) 9 - ( - 7) Simplify. Tap for more steps m = 1 4 m =
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The answer to the equation is 4.
Divide Δy by Δx to find slope m = Δy/Δx Example: Find the Slope Say you know two points on a line and their coordinates are (2, 5) and (9, 19). Find slope by finding the difference in the y