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## Distance, Velocity and Time: Equations and Relationship

Do you remember the story of the tortoise and the hare? The tortoise and the hare decided to have a race. Everybody, most of all the hare, thought the hare would win the race because he hopped much fa ...

## The Statistics of Sunspots

Sunspots are disturbed areas of the sun that look like spots because they are cooler than the surface of the sun. They have been observed and recorded since the 18th Century. This large collection of ...

Presents topics including number sense, variable expressions, statistics, decimals (including addition, subtraction, multiplication, and division), fractions, ratios, proportions, percents, geometric ...

## CK-12 Algebra II with Trigonometry Concepts (At Grade)

CK-12 Foundation’s Algebra II with Trigonometry Concepts is a collection of concepts that expands on the algebraic topics of functions, equations, and graphs for high-school students.

It is an ed ...

## CK-12 Algebra II with Trigonometr? At grade

CK-12 Foundation’s Algebra II with Trigonometry FlexBook® textbook is an expansion on the algebraic topics of functions, equations, and graphs for high-school students.

It is an educational content of ...

## CK-12 Algebra I Concepts - Honor? Advanced

CK-12 Foundation’s Algebra I Concepts - Honors is a high-level complete high school algebra course, that cover topics rigorously. This preview version is being released in stages several chapters at a ...

## CK-12 Algebra I - Second Editio? At grade

CK-12’s Algebra I Second Edition is a clear presentation of algebra for the high school student. Topics include: Equations and Functions, Real Numbers, Equations of Lines, Solving Systems of Equations ...

## CK-12 Algebra - Basi? Basic

CK-12 Foundation’s Basic Algebra FlexBook® textbook is an introduction to the algebraic topics of functions, equations, and graphs for middle-school and high-school students.

It is an educational conte ...

## Definition and general solving of quadratic equations

You'll learn the algorithms needed to solve a quadratic equations in the most general case, as well as the formula that allow to construct a quadratic equation while knowing the value of the solut ...

## Definition and how to solve linear equations

You will learn to solve simple equations of first degree and problems whose statements can be formulated as linear equations of first degree.

Definition and how to solve linear equations is a didactic ...