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10 Cards in this Set
- Front
- Back
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Linear equation in two variables
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any equation that can be written in the form ax + by = c, and a,b,c€R where a,b≠0
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Horizontal line
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y=a where a€R (no x int.)
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Vertical line
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x=a where a€R (no y int.)
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Line through the origin
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ax + by = 0 where a,b€R
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∆ (delta)
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the change in
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slope (m)
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∆y/∆x = Y2 - Y1/X2 - X1 where (X1,Y1) & (X2,Y2) are points on a line
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standard form of linear equation in 2 variables
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Ax + By = C
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slope-intercept form of linear equation in 2 variables
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y = mx + b
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point-slope form of linear equation in 2 variables
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y - y1 = m(x - x1)
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linear inequality in 2 variables
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Ax + By (<,>,≤,≥) C
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