What is the rate of change or rise/run?
Slope
(-5,2) and (7, 6)
1/3
x+ 7y= 14
Find the x-intercept
14
What is the slope?
3/2 x + 2 = y
3/2
If the y-intercept is -6, what are the coordinates of the y-intercept?
(0, -6)
What is the slope intercept formula?
m= y2 - y1/ x2- x1
(-3, -6) and (6, 3)
1
y = -4x/3 + 2
Find the y-intercept
2
zero
(-3, -2) and (x, 6); m=2
Find the missing point
x= 1
Ax + By = C
(2, -4) and (4, -4)
zero
8x + 10y = -10
Find the y intercept
-1
-4x + 5y = 20
4/5
Which axis is parallel to x= -4?
y axis
The point where a line crosses the x-axis
x- intercept
(20, -10) (16, 2)
-3
-4x + 5y = 20
Find the x-intercept
-5
9x - 15y = 45
3/5
Find y
(-5,6) and (5, y) m= -4/5
y = -2
A line with a slope of 20/0
Undefined Slope
(3, 4) and (3, 6)
undefined
2x - y = 7
Find the x and y intercept. Label them clearly on your answer.
x intercept: 3.5
y intercept: -7
What is the slope of x= -5
undefined
(-3, -6) and (9, -2)
Write the equation of the line in slope intercept form that passes through the two above points.
y = 1/3 x -5