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Larson Texts
Larson Precalculus: Operations of Complex Numbers in the Complex Plane [Pdf]
A 3-page handout with examples and exercises in adding, subtracting, and multiplying complex numbers in the complex plane, as well as finding complex conjugates.
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Ojk's Precalculus Study Page: Quadratic Functions: Graphs
A tutorial devoted to the steps used to graph a quadratic function. Includes tables, graphs, and several sample problems.
Texas Instruments
Texas Instruments: Key Curriculum Press Precalculus: Intro to Linear Regression
Students will find the sum of the squares of the residuals for a function found by linear regression.
Texas Instruments
Texas Instruments: Key Curriculum Press Precalculus: Periodic Daily Temperature
Students will transform the cosine function so that it fits, approximately, data on the average daily temperatures for a city.
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Ojk's Precalculus Study Page: Applications to Trig Navigation and Surveying
This tutorial applies all of the tools from triangle trigonometry to two specific cases: navigation and surveying. There are examples of each, as well as several exercises with solutions.
Lawrence Hall of Science
The Math Page: Topics in Precalculus: Logarithmic and Exponential Functions
Clearly and thoroughly explains the graphs of logarithmic and exponential functions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have...
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Ojk's Precalculus Study Page: Remainder and Factor Theorems
An introduction to two important uses of synthetic substitution, the remainder theorem and the factor theorem. Includes examples and sample problems with solutions.
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Ojk's Precalculus Study Page: Parabolas
Good study tutorial about parabolas. There are examples of finding the equation of the parabola or the focal point and directrix that students can examine and attempt.
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Ojk's Precalculus Study Page: Sample Test
A practice test on exponents and logarithms, covering the basics and going through solving exponential and logarithmic equations.
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Ojk's Precalculus Study Page: Measurement of Angles
An introduction to radian measurement, including converting between radians and degrees. Includes several examples and lots of pictures.
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Ojk's Precalculus Study Pages: Solving Right Triangles
An introduction to all six trigonometric function in the setting of right triangles. This tutorial begins with the six definitions and goes through applications involving angles of elevation and angles of depression. Includes several...
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Ojk's Precalculus Study Page: Area of a Triangle
An introduction to finding the area of a triangle using the sine function. Includes several pictures and examples.
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Ojk's Precalculus Study Page: Double and Half Angle Formulas
This tutorial introduces the double-angle and half-angle formulas for sine, cosine, and tangent, and gives sample application and proof exercises. Assumes knowledge of the sum and difference formulas.
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Ojk's Precalculus Study Page: Functions
An introduction to the basic terminology of functions, including how to use the vertical line test on the graph of a relation as a means of testing whether or not it is a function.
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Ojk's Precalculus Study Page: Operations on Functions
An introduction covering how to add, subtract, multiply, divide, and find the composite of functions. Includes examples and sample exercises with solutions.
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Ojk's Precalculus Study Page: Reflections and Symmetry
An introduction to the various types of symmetries that can occur in the graphs of functions. Uses vertical, horizontal, and oblique reflections as a means of recognizing symmetries.
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Ojk's Precalculus Study Page: Rational Exponents
A basic introduction to rational exponents, beginning with the definition and working up to an application. Includes several examples.
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Ojk's Precalculus Study Page: Exponential Functions
An introduction to exponential functions, concentrating on models of exponential growth and decay.
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Ojk's Precalculus Study Page: Logarithmic Functions
A wonderful study tutorial explaining logarithmic functions. Learn how to solve simple logarithmic functions. Includes many graphs and examples.
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Ojk's Precalculus Study Page: The Law of Cosines
An introduction to solving acute and obtuse triangles by using the law of cosines, including a derivation of the formula. Includes several pistures and examples.
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Ojk's Precalculus Study Page: Limits of Infinite Sequences
A wonderful study tutorial explaining the limits of infinite sequences. There are theorems and examples.
Cool Math
Coolmath: Advanced Composition of Functions
A precalculus tutorial on the advanced composition of functions.
Cool Math
Coolmath: Pre Calculus Tail Behavior
This pre-calculus resources provides examples and explanations of tail behavior.
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