Parallel Lines
Perpendicular Lines
Slope Intercept Form
Point Slope Form
Standard Form
100
Two lines that are parallel will have the same (blank) but different (blank).
slope ; y-intercepts
100
Two lines that are perpendicular have (blank) slopes.
Opposite, reciprocal slopes
100
What does the m and b represent in slope intercept form?
m = slope ; b = y-intercept
100
What is point slope form?
y - k = m(x - h) ; where (h, k) is a point on the line
100
What is standard form?
ax + by = c
200
Find the slope of the line parallel to the line 4x - 2y = 20.
m = 2
200
Find the equation of the line that passes through (0, 5) and is perpendicular to 3x - 5y = 15.
y = -5/3 x + 5
200
Write the equation 4x + 2y = 40 in slope intercept form.
y = -2x + 20
200
Write the equation of a line in point slope form that passes through (4, -4) and has a slope of -7.
y + 4 = -7(x - 4)
200
Find the x- and y- intercepts in the equation 6x - 2y = 30.
(5, 0) and (0, -15)
300
Find the equation of the line parallel to 3y - 6x = 14 and passes through the origin.
y = 2x
300
Find the equation of the line that passes through the point (1, 6) and is perpendicular to y = 4x + 7
y = -1/4 x +6.25
300
Write the equation y - 3 = 2(x + 4) in slope intercept form.
y = 2x + 11
300
Find the equation of the line in point slope form that passes through (8, 4) and (6, -2).
y - 4 = 3(x - 8) or y + 2 = 3(x - 6)
300
Find the x- and y- intercepts for the equation -3y - 4x = -16.
(4, 0) and (0, 16/3)
400
Find the equation that goes through the point (4, 5) and is parallel to the equation 2x + 4y = 20.
y = -1/2 x + 7
400
Find the equation of the line that passes through the point (0, 9) and is perpendicular to the equation that passes through the points (6, 4) and (-6, -2)
y = -2x + 9
400
Find the equation of the line that passes through (4.5, 6) and (1.5, -3).
y = 3x - 7.5
400
Find the equation of the line in point slope form that goes through the point (6, 6) and is perpendicular to the equation 2x + 8y = 14.
y - 6 = 4 (x - 6)
400
Find the slope of the line 4x + 4y +18 = 3.
m = -1
500
Find the equation of a line that passes through (5, 8) and is parallel to a line that goes through the origin and (4, 12).
y = 3x - 7
500
Line M is parallel to Line N. Line N is perpendicular to Line L. If Line L has an equation that passes through the points (2,4) and (1,6), what is the slope of Line M?
m = 1/2
500
What's the slope of a vertical line?
undefined
500
In the equation y + 5 = -3(x - 2), identify the slope and coordinate that the line goes through.
m = -3 ; (2, -5)
500
Find both intercepts of -2x + 8y = -8. Write your answers as ordered pairs.
(4, 0) and (0, -1)