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Mystery ?
Parallel and Perpendicular Lines
Slope Intercept Form
Vertical and Horizontal perpendicular lines
Vocabulary & Misc.
100
Write the equation of a line that contains ( -4,2) and ( -3, 5).
What is y = 3x + 14.
100
Fill in the blank. Parallel lines have the ________ slope. Perpendicular lines have ______________ _____________ slopes.
What is same slope and opposite reciprocal slopes?
100
What is the equation for slope intercept form?
What is y=mx+b?
100
What is the equation of a line through (2, 6) and parallel to x =4?
What is x = 2.
100
Define parallel lines.
What is two lines that do not touch?
200
What is the formula for slope?
What is y sub 2 - y sub 1 / x sub 2 - x sub 1. ?
200
Write the equation of the line parallel to y=x-2 and passing trough (1,-2)
What is y=x-3?
200
Write the equation with a slope of 6 and y-intercept of -8.
What is y=6x-8?
200
Find the equation of a line parallel to y =-4 that contains ( -2, -7).
The equation is y = -7.
200
Define perpendicular lines.
What is lines that intersect at 90 degrees?
300
What is the equation of a line that goes uphill with a y intercept of -2.
What is y = mx -2?
300
Write the equation of the line parallel to y=-2/3x+4 and passing through (-2,4).
What is y=-2/3x+8/3?
300
Write the equation of a line with slope -2 and y-intercept 0.
What is y=-2x?
300
What is the equation of a line perpendicular to y = 10 that contains ( -1/2, 6)?
The equation is x = -1/2.
300
How do you tell the difference between slope intercept form and standard form?
answers vary
400
Write the equation of a line that has a y-intercept of 8 and a x-intercept of 4.
What is y = -2x + 8?
400
Write the equation of the line that is perpendicular to y=-x+2 and passing trough (3,-1).
What is y=x-4?
400
Graph and label y=2x-5.
Answer on board
400
Give an example of 2 equations that are parallel and have a slope of zero.
Answers are y = # and y = #.
400
Given two lines how can you tell they are parallel?
What is they have the same slope?
500
Find the equation of a line that is perpendicular to a line containing ( -2, 3) and ( 4, 5) that contains ( 1, 8).
What is y = -3x + 11?
500
Write the equation of the line perpendicular to 5y=2x-9 and passing through (-7,5).
What is y=-5/2x+22.5?
500
Graph y=-x+1.
Answer on board
500
What is the slope of a line perpendicular to a line with slope of zero?
What is undefined or no slope.
500
Given two lines how can you tell they are perpendicular?
What is they have opposite reciprocal slopes?