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Graphing points
By Khan Academy
We're plotting an ordered pair on the x (horizontal) axis and y (vertical) axis of the coordinate plane.
Interpreting linear expressions
By Khan Academy
Let's practice matching expressions to their meaning in this example of interpreting linear expressions.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal determines how many solutions the following system of equations has by considering its graph: 10x-2y=4 and 10x-2y=16.
Find special products of binomials (advanced)
By Khan Academy
Sal gives numerous examples of the two special binomial product forms: perfect squares and the difference of two squares.
Graph inequalities and check solutions
By Khan Academy
Learn how to graph two-variable linear inequalities.
Graphing linear functions word problems
By Khan Academy
Sal is given a verbal description of a real-world relationship involving a pool being filled with water, and is asked to draw the graph that represents this relationship.
Increasing and decreasing intervals
By Khan Academy
Sal discusses there Intervals where function is increasing, decreasing, postive or negative and their graphical representation.
Graphing linear functions word problems
By Khan Academy
Sal is given a verbal description of a real-world relationship involving a truck's fuel consumption, and is asked to draw the graph that represents this relationship.
Interpreting linear graphs word problems
By Khan Academy
Sal finds the y-intercept and the slope of a linear relationship representing someone accumulating cats! He then interprets what the y-intercept and the slope mean in that context.