Writing Linear Equations
y = 4
Equation of the line with slope = 0 and y-intercept = 4
x = -3
Equation of the line with undefined slope that goes through the point (-3, 0)
Zero slopes
Horizontal lines have
3x + 4y = 24
Standard form of equation given a slope of -3/4 and y-intercept of 6
4x + y = -18
Standard form of equation given a slope of -4 that passes through the point (-5,2)
y + 6 = -2 (x - 4)
Equation of the line in Point-Slope Form with slope = -2 that passes through the point (4,-6)
Undefined slopes
Vertical lines have
y - 4 = 2/3(x + 5)
Equation of the line in Point-Slope Form with slope = 2/3 and passes through the point (-5,4)
(y-2) = -4(x+5)
Equation of the line in Point-Slope Form with slope of -4 that passes through the point (-5,2)
(y-2) = 1/5(x-4)
Equation of the line in Point-Slope Form with slope of 1/5 that passes through the point (4,2)
y = 3/4x - 2
Equation of the line in Slope-Intercept Form that goes through (0,-2) and (4,1)
y = -8x + 5
Equation of the line in Slope-Intercept Form with slope = -8 and y-intercept = 5
y = 2/7x + 5
Equation of the line in Slope-Intercept Form with slope = 2/7 and y-intercept = 5
y = 4/3x + 3
Equation of the line in Slope-Intercept Form with slope = 4/3 and y-intercept = 3
y = 5/3x - 4
Equation of the line in Slope-Intercept Form with slope = 5/3 and y-intercept = -4
y = -4x - 2
Equation of the line in Slope-Intercept Form with slope of -4 and y-intercept of -2
y = 2/3x
Equation of the line in Slope-Intercept Form with slope of 2/3 and y-intercept of 0
y = 2/3x + 5
Equation of the line in Slope-Intercept Form with slope of 2/3 and y-intercept of 5
6x - 3y = -15
Standard form of equation given a slope of 2 and y-intercept of 5
y = 5
The equation of a horizontal line passing through (-2,5)
x = 8
The equation of a vertical line passing through (8,-4)
2
The slope of a line passing through (0,-4) and (5,6)
1/6
The slope of a line passing through (4,6) and (-2,5)