Vocabulary
The rate of change between any two points in a linear relationship
What is Constant Rate of Change?
A line that creates a straight line
What is a linear equation?
m = -4
b= 5
y= -4x + 5
y = 3x - 5
What is m = 3?
(5, 7) and (3, 6)
What is 1/2?
The measure of the steepness of a line
What is slope?
A coordinate, point, or ordered pair
What are the solutions of the equation?
m= 1/2
b= -4/5
y= 1/2x - 4/5
y = - 1/2x + 7
What is m = -1/2?
(2, 5) and (8, 1)
What is -2/3?
Slope - Intercept Form
What is y = mx + b?
Starts at or goes through 0.
The line is always straight.
It grows with an equivalent proportion.
What is a Proportional Relationship Equation?
m= -3
b= -5
y= -3x - 5
y = .075x + 2.57
What is m = .075?
(0, 25) and (10, 0)
What is -2.5?
How do you find slope on a graph?
What is Rise over Run?
Where the line touches the x‑coordinate.
What is the x-intercept?
m=1
b=-1
y= x - 1
or
y= 1x- 1
y = -x - 1/3
What is m = -1?
(2,3) and (9,7)
What is 4/7?
What is the slope formula when given points?
m=(y2-y1 ) / ( x2-x2)
Where the line touches the y‑coordinate.
What is the y-intercept?
m= 12
b= 4/9
y= 12x + 4/9
y=-2/3x - 1/3
What is m = -2/3?
(0,10) and (5, -5)
What is -3?