PotPourri
A vertical line has this kind of slope
What is undefined slope
Fill in the blank. Parallel lines have the ________ slope. Perpendicular lines have ______________ _____________ slopes.
What is same slope and negative (opposite) reciprocal slopes?
In the Point-Slope formula for a line y - y1 = m(x - x1), m stands for this
What is the slope?
Find the slope and the y-intercept for y= 2x - 4
Slope m=2, y-intercept b=-4
What is the equation for standard form?
What is Ax+By=C?
Write an equation of a line perpendicular to x = 15
Answers may vary, but must be in the form
y = any number
Write the equation of the line parallel to y=x-2 and passing trough (1,-2)
What is y=x-3 or y + 2 = (x - 1)
These are the two things we need to know in order to use the point-slope formula
What we have to do first in order to use the Point-Slope formula if we're only given 2 points on a line.
What is a point and a slope.
What is find the slope
It's the equation of the line passing through the points (3, -4) and (2, -6)
y=2x-10
Find x and y intercepts of x+4y=8.
The x-intercept is 8 and the y-intercept is 2.
Write the equation of the line perpendicular to y=2/5x-9 and passing through (-7,5).
What is y=-5/2x+22.5?
Write the equation of the line parallel to y=-2/3x+4 and passing through (-2,4) in slope-intercept form
What is y=-2/3x+2 2/3?
Write and equation in Point-Slope form for the line at (2, 4) that has a slope of -2.
y-4= -2(x-2)
Write the slope-intercept form of a line
-2x + 4y = 18
y= 1/2x+4 1/2
Graph -5x+3y=-15.
Answer on the board.
It's the y-intercept of the line passing through the point (2, 4) that has a slope of -2.
What is 8?
Write the equation of the line that is perpendicular to y=-3/4x+2 and passing trough (3,-1).
What is y=4/3x-5?
It's the equation of the line passing through the points (3, -4) and (2, -6) in Point-Slope Form
What is y + 4 = 2(x - 3) OR y + 6 = 2(x - 2)
It's the equation 3x - 6y = 18 in slope-intercept form.
What is y = 1/2x - 3
Create an equation in Standard Form that is equivalent to -2x + 4y = 18
Answers will vary
Is the following equation in Standard Form? If not explain why and create an equivalent equation that IS in Standard Form
-3x - 3/5y = -12
No, because A and B have to be integers in Standard Form
Equivalent equations answers will vary
Two possible equations -15x-3y=-60
15x+3y=60
Write an equation for the line that is perpendicular to -2x + 4y = 18 and passes through the point (-3,5)
y = -2x-1 OR
y-5= -2(x+3)
Create an equation for the line -2x + 4y = 18 Point-Slope Form using the point (3,y)
y-6=1/2(x-3)
What is y + 4 = 2(x - 3) in Slope-Intercept Form?
y = 2x - 10
What is y + 4 = 2(x - 3) in Standard Form?
2x+y=-10 (Answers may vary, but need to have integer coefficients)