Grade 9 maths · C.3 · Functions
Find the slope from two points
Slope = change in y ÷ change in x.
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Find the slope of the line through (3, −21) and (−1, −5).
Answer: -4
Find the slope of the line through (4, 5) and (2, 1).
Answer: 2
Find the slope of the line through (−6, 10) and (−2, 6).
Answer: -1
Tip: Slope = change in y ÷ change in x.
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Curriculum
Common Core: HSF-IF.A.2, HSF-IF.B.6
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