Slope-intercept
What is the equation of a line in slope-intercept form?
y = mx + b
What is the equation of a line in point-slope form?
y - y1 = m(x - x1)
What is the equation of a line in standard form?
Ax + By = C
Calculate the slope-intercept equation of the line that passes through (4, -8) and (8, 5).
y = (13/4)x - 21
Calculate the point-slope equation of the line that passes through (-8, -1) and (-6, 5).
y - 5 = __________
y - 5 = 3 (x - (-6))
What is y - 4 = -2(x + 7) written in standard form?
2x + y = -10
Calculate the slope-intercept equation of the line that passes through (-6, 5) and (-3, -3).
y = (-8/3)x - 11
Calculate the point-slope equation of the line that passes through (1, -1) and (5, 2).
y - (-1) = __________
y - (-1) = 3/4(x - 1)
What is y = (-3/10)x - 8 written in standard form? (
(3/10)x + y = -8
or
3x + 10y = -80
Convert from point-slope form to slope-intercept form:
y + 2 = 2(x + 8)
y = 2x + 14
Calculate the point-slope equation of the line that passes through (-1, -10) and (5, 2).
y - 2 = __________
y - 2 = 2(x - 5)
What is y + 4 = -6(x + 6) written in standard form?
6x + y = -40