math
Published on Nov 22, 2015
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PRESENTATION OUTLINE
Linear Equations
by. Parker Fleming
what is a linear equation
An equation between two variables that give you a straight line when plotted on a graph
How can you graph a linear equation?
Locate the Y intercept on the graph and plot the point then use slope to find a second point and plot
how can you tell if an equation is linear
Linear statements look like lines when they are graphed and have a constant slope
how to find the slope of a line
YOU DIVIDE THE DIFFERENCE OF THE Y-COORDINATES OF A POINT ON A LINE BY THE DIFFERENCE OF THE X-COORDINATES.
how do you use slope to graph an equation
The slope is calculated by counting the rise and then counting the run. We then write the slope as a fraction
what is slope intercept form?
It's a standard method for writing the equation of a line.
what is direct variation?
When two variables are related in such a way that the ratio of their values always remains the same,
what is constant proportionality
- constant of proportionality - the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality
- If an object travels at a constant speed, then the distance traveled is proportional to the time spent traveling, with the speed being the constant of proportionality.
