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Determine the end behavior of rational functions


By Khan Academy

Sal analyzes the function f(x)=(3x^2-18x-81)/(6x^2-54) and determines its horizontal asymptotes, vertical asymptotes, and removable discontinuities.

Determine the end behavior of rational functions


By Khan Academy

Sal analyzes the function f(x)=(3x^2-18x-81)/(6x^2-54) and determines its horizontal asymptotes, vertical asymptotes, and removable discontinuities.

Determine whether two figures are congruent


By Khan Academy

Sal shows that a given pair of pentagons are not congruent by showing it's not possible to map one onto the other using rigid transformations.

Fractions on the number line


By Khan Academy

Graph and locate fractions on a number line.

Identifying factors and multiples


By Khan Academy

To find the factors of a number means to find all the whole numbers that the number in question is divisible by. Can you help us find the factors in this example?

Integer addition and subtraction: find the missing value


By Khan Academy

Sal solves more missing value problems: 4 = -8 - __ ������������and ������������__ - (-2) = -7 ������������and ������������-4 = __ - 9

The counting principle


By Khan Academy

We'll use a tree diagram to visualize and count all the possible outcomes. This helps us to determine the probability.

Solve systems of equations graphically


By Khan Academy

Sal solves a system of two linear equations in standard form, and then approximates the solution of a system whose solution isn't clearly visible.

Analyze the solutions of systems of equations graphically


By Khan Academy

Sal is given three lines on the coordinate plane, and identifies one system of two lines that has a single solution, and one system that has no solution.