Slope
What is the slope of a line?
The steepness of the line OR Rise over Run
Which letter represents the slope of the line in the equation y = mx + b?
m
y=2x + 6
Not Proportional!
Not a function
What quadrant is the point (-2, 4) in?
Quadrant 2
Find the slope of the 2 points (0,0) and (2,3)
3/2
Which letter represents the y-intercept in the line y = mx + b
b
y=6x
(4, 2) (4, 3) (4, 1)
Not a function
What is the Y-INTERCEPT of the equation described by y = 3x - 2 ?
What is the slope in y=2x-3
Slope = rise / ?
run
A graph that touches the origin (0, 0)
Proportional
A linear graph
Function
What is the horizontal axis on the coordinate plane called?
X-Axis
Find the slope of the 2 points (-1, 0) and (5,8)
4/3
What is an y-intercept?
The y-intercept of a line is the point at which the line crosses the y-axis.
A graph that does not touch the origin (0, 0)
Not proportional
(5, 2) (3, 1) (6, 2) (-3, 1)
Which value is the Y-Value in the ordered pair: (3, 6)
6
Is the slope that passes through (-2,1) and (-2,7) positive, negative, zero, or undefined?
Undefined
What makes a graph linear?
It forms a straight line, has a constant rate of change/slope, in the form y=mx+b
What makes an equation proportional?
It is a straight line with a y-intercept of 0 and touches the origin.
No x-values are repeated and it passes the Vertical Line Test
What is the SLOPE and Y-INTERCEPT of the line described by y = 3x + 4
Slope = 3
Y-Intercept: 4 or (4,0)