Slope
This is a three-word phrase for slope.
What is "rise over run"?
In the equation y=mx+b, this is the slope.
What is m?
The line y-3=2(x+1) goes through this point.
What is (-1,3)?
This is the standard form of a linear equation.
What is "Ax+By=C"?
You start at the base of a hill at elevation 0, and you climb the hill. I reach the top, elevation 50 feet, in 10 minutes. This is your rate of change.
What is 5 feet per minute?
A vertical line has this slope.
What is "undefined"?
In the equation y=-2x, this is the slope.
What is -2?
If graphing the line described by y+4=x-2, you would begin by plotting this point.
What is (2,-4)?
It's the y-intercept of the line described by the equation 2x+4y=4.
What is 1?
You earn $15 per hour working at the coffee shop. If you were creating an equation to describe your earnings, this would be x.
What are hours?
OR
What is time?
Lines that have the same slope are this.
What is parallel?
If graphing the equation y=x-1, you would start at this point.
What is (0,-1)?
This is the slope in the equation y+2=-(x+1).
What is -1?
It's the x-intercept in the equation 3x-5y=-6.
What is -2?
The equation y=50x+200 describes the amount of money in your bank account for any given month. This is the amount by which your money increases per month.
What is $50 per month?
When Slope Dude is saying "Nice negative", the graph is doing this.
What is decreasing?
In the equation y=2, this is the slope.
What is 0?
The line y=4(x-4) goes through this point.
What is (4,0)?
This is the equation 2x+y=4, rewritten in slope-intercept form.
What is y=-2x+4?
At 3 months, a plant is 15 cm tall. At 5 months, it's 25 cm tall. This is the average rate of growth for the plant.
What is 5 cm per month?
It's the slope between the points (5,6) and (-3,-2).
What is 1?
It's the equation for the line that passes through the points (1,1) and (2,3), written in slope-intercept form.
What is y=2x-1?
It's the equation y-3=2(x-1), rewritten in slope-intercept form.
What is y=2x+1?
It's the slope of the equation x-2y=6.
What is -1/2?
A plumber charges $25 for a service call, plus $50 per hour of service. This is an equation in slope-intercept form for the cost C after h hours of service.
What is C=50h+25?