Slope Intercept & Standard Form Review
Rewrite the equation in standard form: y = -2x + 10
2x + y = 10
What is the generic standard form?
Ax + By = C
What is the slope of a vertical line? ( x = Any number)
Undefined
x-intercept
Where a line crosses the x-axis
What is a Y-intercept?
Where a line crosses the y-axis
What is the y intercept for the line x = -2
doesn't exist
What is the slope of the line y= -1/3x + 6
m= -1/3
slope of a line
the steepness of a line
Rewrite the equation in standard form: y = 1/2x + 10
x - 2y = -20
Rewrite the equation in standard form: y = 1/2x - 5
x - 2y = 10
What is the x intercept for the line x = -2
x int = (-2, 0 )
What is the x intercept of the equation -2x+3y= -6
x int = (3, 0)
Find the x and y intercepts: 3x - 6y = 12
x-int (4,0) y-int: (0,-2)
Find the x and y intercepts: -5x + 2y = 10
x-int: (-2,0) y-int: (0, 5)
Find the x and y intercepts -5y + 2x = -10
x-int: (-5,0) y-int: (0, 2)
rewrite in slope-int form: 5x + 5y = -4
y = -1x - 4/5
rewrite in slope-int form: 3x + 5y = -20
y = -3/5x - 4
rewrite in slope-int form: 6x + y = 13
y = -6x + 13
rewrite in slope-int form: 8x + y = 5
y = -8x + 5
rewrite in slope-int form: x + y = -3
y = -x - 3
rewrite in slope-int form: 2x - 5y = 20
y = 2/5x - 4
rewrite in slope-int form: 2x - y = -2
y = 2x + 2
What is the y intercept of the equation 3x-4y=16
y int = (0,4)
What is the y intercept for the line y = -5
y-int = (0,-5)
What is the y intercept of the line y= -1/4x -3
y-int: (0,-3)
Slope intercept form
y= mx+b
What is the slope of a horizontal line? (y = any number)
zero