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Evaluate composite functions from graphs and tables
By Khan Academy
Sal explains what it means to compose two functions. He gives examples for finding the values of composite functions given the equations, the graphs, or tables of values of the two composed functions.
Find explicit formulas for arithmetic sequences
By Khan Academy
Sal finds explicit formulas of arithmetic sequences given the first few terms of those sequences. He also explores equivalent forms of such formulas.
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?
Inequalities on a number line
By Khan Academy
Learn how to plot a simple inequality on a number line. The example used in this video is x < 4.
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
Interpreting linear relationships
By Khan Academy
Sal discusses how we would go about making sense of the direction of a linear graph that represents a relationship between two real-world quantities.