Formulas/Equations
What is the formula for calculating slope on a graph?
Rise/Run
Draw a line with a positive slope
Line must be going uphill from left to right
Find the slope between (1, 3) and (4, 9)
2
Find the slope of y = 2x + 1
2
Create an equation that is proportional
Answers may vary. They must be in the form y = mx, where m represents the slope
What is the equation of any nonvertical straight line?
y = mx+ b
Draw a line with a 0 slope
Horizontal line
Find the slope between (3, 4) and (-2, 8)
-4/5
Find the slope of y = -1/2x + 3
-1/2
What would a line that does not have a y-intercept look like?
Vertical
In the equation y = mx + b, which variable represents the slope?
m
A line with a slope of 2 passes through the origin. What is the y-intercept of the line?
(0, 0)
Find the slope between (7, 3) and (-1, 3)
0
Find the slope of y = 4 - 3x
-3
Jerome makes $60 in 4 hours. Helen makes $90 in x hours. What value of x would Helen earn the same hourly pay as Jerome?
6
What is the formula for the slope between two points (x1, y1) and (x2, y2)?
(y2 - y1)/(x2 - x1)
Line A and Line B are parallel. What must be true about the slopes of Line A and Line B?
They are the same
Find the slope between (-3, 4) and (5, 6)
1/4
Find the slope of y = 2
0
The slope of a line is 1/4. This means that for every 1/4 unit of vertical change, there is _______ unit(s) of horizontal change
1
What is the equation of a nonvertical straight line that is proportional?
y = mx
A line with a slope of 3 passes through the point (-1,2). What is the y-intercept of the line?
(0, 5)
Find the slope between (4, 12) and (4, 18)
Undefined
Find the slope of x = 3
Undefined
A line passing through every quadrant except for quadrant 2 will have a slope that is ___________
Positive