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The Coordinate Plane: Understanding Quadrants, Coordinates, and the Origin 150 150 SchoolTutoring Academy

The Coordinate Plane: Understanding Quadrants, Coordinates, and the Origin

The coordinate plane is a two-dimensional surface where we can plot points, lines, geometric shapes and curves. The coordinate plane is also called as Cartesian plane. It was invented by the French mathematician Rene Descartes in the 17th century. The coordinate plane has two scales (number lines) perpendicular (at right angle) to each other. The…

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Solving Positive and Negative Exponents 150 150 SchoolTutoring Academy

Solving Positive and Negative Exponents

The exponent of a number tells how many times the number is to be multiplied by itself. Exponent is more commonly called as power or index. In general,      where,                                                                            –           A is base –          n is exponent (or power, or index) In word An could be called as A to the power b.  Example…

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What is a Number Line? 150 150 SchoolTutoring Academy

What is a Number Line?

 Number line is a widely used concept in mathematics. It is used to represent, compare, add and subtract real numbers.  A number line is usually a horizontal straight line on which every point corresponds to a real number.  These points are evenly-spaced on the line extending in both the directions.          The number line divided…

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Sector of a Circle: Understanding Key Terminology 150 150 SchoolTutoring Academy

Sector of a Circle: Understanding Key Terminology

A sector of a circle is an area enclosed by two radii and an arc. In the figure above, θ is the central angle and r are the radii of the circle. (Central angle is the angle subtended at the center of the circle) (Arc length is the length along the curved line making an…

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Introduction to Polynomials 150 150 SchoolTutoring Academy

Introduction to Polynomials

The term polynomial was introduced by a French mathematician Franciscus Vieta. Polynomial is made of two words ‘poly’ which means ‘many’ in Greek and ‘nomial’ which means ‘terms’. So, polynomial means ‘many terms’. A polynomial can be composed of: 1)      Constants –A constant is a number on its own. For example  4, -3, 4/5, 0.3…

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Solving for the Hypotenuse: The Pythagorean Theorem 150 150 SchoolTutoring Academy

Solving for the Hypotenuse: The Pythagorean Theorem

  According to Pythagorean Theorem, in a right triangle the square of the hypotenuse is equal to the sum of the squares of the other two sides. In the triangle below, a2 + b2 = c2 –          c is the hypotenuse, the longest side –          a and b are the other two sides   To…

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Trigonometry – Definition of a Radian 150 150 SchoolTutoring Academy

Trigonometry – Definition of a Radian

We’ve seen how to measure angles in degrees using a protractor: However, the degree is a fairly arbitrary unit of measurement – who decided to divide the circle into 360 parts? Why can’t the circle be divided into 100 parts? 1000 parts? Radian measure is an alternative way to measure angles. Instead of dividing the…

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Premier Tutoring On Your Schedule 150 150 School Tutoring

Premier Tutoring On Your Schedule

TutorJam brings you a personal tutor anytime, 7 days a week. Get expert help in understanding tough math concepts, completing homework assignments, studying for a science test or exam review. Finally, the flexibility to learn on your own schedule!

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