Basic Pre-Algebra Facts/Formulas
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13 Terms
1
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average rate of change
ƒ(B) - ƒ(A) / B-A
2
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slope
m=y₂-y₁/x₂-x₁
3
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slope easy formula
- a/b
4
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y intercept easy formula
c/b
5
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x intercept easy formula
c/a
6
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negative slope
7
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positive slope
8
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zero slope
9
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no slope - undefined
10
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slope defenition
Constant rate of change: change in y over change in x
11
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y-intercept definition
where graph crosses y axis
12
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point slope form
y - y₁ = m(x - x₁)
13
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standard form
Ax + By = C where A, B, and C are all constants and A and B are not zero.