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10 Cards in this Set

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