3.6/3.7 Parallel and Perpendicular lines in a coordinate plane
Which answer choice would be perpendicular to -1/3?
3
Which answer choice would be perpendicular to -5/4?
4/5
Two lines are T perpendicular if their slopes are...
Complete opposites (Flip # & Change Sign)
B=
y-intercept / where it crosses the Y-Axis
The slope-intercept form is...
y=mx+b
Undefined Slopes look like...
#/0
Which answer choice would be parallel to -1/3?
-1/3
What is the slope of the equation y=-4x+2?
-4
Which answer choice would be parallel to -5/4?
-5/4
Zero Slopes look like...
0/#
What is the slope of the equation 4x-2y=3?
2
What is the slope of the equation 2x-3y=6?
2/3
Two lines are // parallel if their slopes are...
Equal=
When writing an equation of a line passing through (2,3) with a slope of 5, what's the first thing you write out?
M= , B=
A slope/derivative is defined as...
Rise/Run
M=
Slope
When writing an equation of a line that passes through the points (3,2) and (4,-3), it is easier to just...
Use the x,y's that either have 0's or all positive numbers
The slope equation is...
Y2-Y1/X2-X1