Write an equation in gradient-intercept form
m = -4
c = 5
y= -4x + 5
(5, 7) and (3, 6)
What is 1/2?
What is the formula for linear equations?
y = mx + c
What variable represents y-intercept?
m= 1/2
c = -4/5
y= 1/2x - 4/5
(-2, 5) and (8, 1)
-4/10 or -2/5
What letter us used to represent the gradient?
m
What measures the steepness of a line?
The slope
m= -3
c = -5
y= -3x - 5
(0, 25) and (10, 0)
What is -2.5?
What is the y intercept?
y = -3x - 7
c = -7
In the equation of linear function: y=-4x-2, what is the y-intercept.
The y-intercept is -2
m=1
c =-1
y= x - 1
or
y= 1x- 1
(2,3) and (9,7)
What is 4/7?
What is the gradient of y = -0.5x + 2
- 0.5
How do you find the gradient on a graph?
Rise over Run
m= 12
c = 4/9
y= 12x + 4/9
(0,10) and (5, -5)
What is -3?
Find the equation that connects the points (0, 3) and (2, 7)
y = 2x + 3
What does the "zero step" calculate on a graph?
the y-intercept