• Scientific Notation - Problem 5

Math›Algebra›Exponents
How to type scientific notation into a graphing or scientific calculator.
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• The Ellipse - Problem 8

Math›Algebra 2›Conic Sections
Using key features of an ellipse centered at the origin to write the equation in standard form.
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• Direct Variation - Problem 3

Math›Algebra 2›Functions
Solving direct variation word problems using the relation y = kx.
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• Rectangle and Square Properties - Concept

Math›Geometry›Polygons
How to define a rectangle and a square.
• Secants - Problem 1

Math›Geometry›Circles
How to find the angle measures formed by intersecting secants.

• Graphing a Rational Expression - Problem 7

Math›Algebra 2›Rational Expressions and Functions
Finding x and y-intercepts of rational functions.
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• Graph of the Tangent Function - Concept

Math›Trigonometry›Trigonometric Functions
How to graph y = tan(theta) for 0 <= theta < pi/2.
• Radicals and Absolute Values - Problem 4

When to use absolute values in simplifying radicals.
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• The Ellipse - Problem 1

Math›Precalculus›Conic Sections
How to find the equation of an ellipse centered at the origin.

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• The Ellipse - Problem 2

Math›Precalculus›Conic Sections
How to transform the graph of a transformed ellipse and find vertices.
• The Ellipse - Problem 4

Math›Precalculus›Conic Sections
How to find the equation of an ellipse by completing the square.
• The Ellipse - Problem 3

Math›Precalculus›Conic Sections
How to find the equation of an ellipse given co-vertices and foci.
• Sex Chromosomes

Science›Biology›Cell Division and Reproduction
The description of sex chromosomes.
• Translations - Problem 3

Math›Geometry›Transformations
How to describe a translation when an ordered pair rule is given.
• Graph of the Tangent Function - Concept

Math›Precalculus›Trigonometric Functions
How to graph y = tan(theta) for 0 <= theta < pi/2.