Slope-Intercept
Equation of a line in slope-intercept form
y = mx + b
Equation of a line in point-slope form
y - y1 = m(x - x1)
Equation of a line in standard form
Ax + By = C
Given equation y = -3x + 4 slope of a parallel line
m = -3
Equation in standard form given m = -3 and b = 11
3x + y = 11
Equation given m = 8 and b = -3
y = 8x - 3
Equation given m = -7 and point (-2, 5)
y - 5 = -7(x + 2)
Given equation y = -5x + 11
5x + y = 11
Given equation y = -3x + 4 slope of a perpendicular line
x = 1/3
Equation in standard form given m = 2 and point (-3, -8)
2x - y = 2
Given equation y = x - 5, slope is ? and y-intercept is ?
slope is 1, y-intercept is -5
Equation given m = 1/3 and point (-5, 2)
y - 2 = 1/3(x + 5)
Given equation y = 6x - 2
6x - y = 2
Given equation x = 7 the slope is ?
m is undefined
Equation in standard form given y -5x + 35 = 0
5x - y = 35
Equation given m = -3/2 and point (1, -2)
y = -3/2x - 0.5
Equation given (3, -7) and (-1, 5)
y + 7 = -3(x - 3)
y - 5 = -3(x + 1)
Given equation y = 3/4x + 9
3x - 4y = -36
Given equation y = -2 the slope is ?
m = 0
Equation in standard form given (-6, 5) & (-3, -1)
2x + y = 5
Equation given (8, -4) and (0, 6)
y = 5/4x + 6
Given equation y + 3 = -1/2(x - 4) m is ? and point is ?
m = -1/2 point (4, -3)
Given equation y - 4 = 5(x + 4)
5x - y = -24
Equations for vertical and horizontal lines given point (5, -1)
vertical x = 5
horizontal y = -1