The slopes of parallel lines are ___.
The same
The slopes of perpendicular lines are ___.
Opposite reciprocals
What is the formula to find the length of a line segment in a coordinate plane called?
The distance formula
What is the formula used to find the middle of a segment on a coordinate plane called?
The midpoint formula
What is the equation for slope-intercept form?
y=mx+b
What is the slope of the line y = 3x + 5?
3
What is the slope of a line perpendicular to y = 4x - 9?
-1/4
What is the length of a segment that passes through the points (5, 2) and (2, 6)?
5
What is the midpoint of the segment whose endpoints (5, 9) and (3, 1)?
(4, 5)
What is the equation of a line in point-slope form?
y-y1=m(x-x1)
What is the slope of a line parallel to y = 1/3 x - 5?
1/3
What is the slope of a line perpendicular to the line y = 9?
Undefined
What is the length of a segment whose endpoints are (-3, 2) and (6, 8)?
10.81
What is the midpoint of a segment whose endpoints are (-3, 5) and (-2, 7)?
(-2.5, 6)
Give an equation of a line that passes through the point (2, 3) with a slope of -4.
y - 3 = -4(x - 2) or y=-4x+11
What is the slope of a line that passes through (1, 3) and (-2, 5)?
-2/3
What is the slope of a line perpendicular to the line that passes through the points (-1, 3) and (2, 6)?
-1
What is the length of a segment whose endpoints are (-6, 7) and (-10, -4) to the nearest tenth?
11.7
What is the endpoint of a segment whose midpoint is (5, 4) and one endpoint is (1, 3)
(9, 5)
Find the length of the missing side. Leave in simplest radical form.


What is the equation of a line that is parallel to y=2x+1 and passes through the point (4, 5)?
y-5=2(x-4) or y=2x-3
What is the slope of a line perpendicular to the line that passes through (-5, -2) and (-3, -3)?
2
What is the length of a segment whose endpoints are (2, 2) and (-2, 10) in simplified radical form?
4 sq rt 5
What is the endpoint of a segment whose midpoint is (-2, -3) and one endpoint is (-7, 3)?
(3, -9)
Find the length of the missing side. Round to the nearest tenth.

9.1