Intercepts
Point-Slope Form
Rate of Change
Parallel and Perpendicular
Changing to Slope-Intercept Form
100
What is the X&Y intercept?
X-intercept: (6,0)
Y-intercept: (0,3)
100
Write an equation of a line with a slope of 4 and goes through the point (-1,1).
y-1=4(x+1)
100
What is the rate or change?
2/3
100
Are the lines parallel, perpendicular or neither?
Parallel
100
Change to slope-intercept form
2x+4y+16
y=-1/2 x+4
200
What is the X&Y intercept of
-3x+5y=-15
X-intercept: (5,0)
Y-intercept: (0,-3)
200
Write an equation of a line with a slope of
5/4
and goes through the point (4,-3).
y+3=5/4 (x-4)
200
What is the rate of change?
-4/1 or -4
200
Are the lines parallel. perpendicular or neither?
y=3/4 x -1 and y=-4/3 x+5
Perpendicular
200
Change to slope-intercept form
y-1=3(x+2)
y=3x+7
300
4x-7y=28
X-intercept: (7,0)
Y-intercept: (0,-4)
300
Write an equation of a line with a slope of -3 and goes through the point (-2,-5).
y+5=-3(x+2)
300
What is the rate of change between (-1,1) and (3,5)?
4/4 or 1
300
Are the lines parallel. perpendicular or neither?
y=2x-3 and y-3=-1/2 (x+4)
Perpendicular
300
Change to slope-intercept form
5x-3y=9
y=5/3 x-3
400
What is the X&Y intercept of
x=-5
X-intercept: (-5,0)
Y-intercept: (None)
400
Write an equation of a line parallel to y=2x+1 and goes through the point (-1,1).
y-1=2(x+1)
400
What is the rate of change between (-3,5) and (5,-1)?
-6/8 or -3/4
400
Are the lines parallel. perpendicular or neither?
y-1=4/5 (x+1) and y=4/5 x-12
Parallel
400
Change to slope-intercept form
y+3=3/4(x-8)
y=3/4x-9
500
What is the X&Y intercept of
y-4=2(x+4)
X-intercept: (-6,0)
Y-intercept: (0,12)
500
Write an equation of a line that goes through (-1,1) and (2,3).
y-1=2/3 (x+1) or y-3=2/3 (x-2)
500
What is the rate of change between (-5,0) and (0,-4)?
-4/5
500
Are the lines parallel. perpendicular or neither?
3x-4y=4 and y=3/4 x-1
Neither
500
Change to slope-intercept form
15=5y+3x
y=-3/5x+3