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Math Review of Adding Rational Expressions with Unlike Denominators 150 150 Deborah

Math Review of Adding Rational Expressions with Unlike Denominators

Overview Adding rational expressions with unlike denominators is similar to adding fractions with unlike denominators.  The first step is to find the least common multiple (LCM) of the denominators.  This can then form the least common denominator.  Then multiply each rational expression so that it has the least common denominator.  Next, add the numerators now…

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Math Review of Adding Rational Expressions with Like Denominators 150 150 Deborah

Math Review of Adding Rational Expressions with Like Denominators

Overview Adding and subtracting rational expressions with like denominators is similar to adding and subtracting fractions with like denominators.  It is a three-step process: first add the numerators, then simplify the numerator, then simplify the result by factoring.  Since subtraction is the inverse of addition, subtraction is a matter of adding the inverse of the…

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English Review of Adaptations of Shakespeare 150 150 Deborah

English Review of Adaptations of Shakespeare

Overview Shakespeare’s plays have been performed all over the world, translated into many other languages, and sets have been adapted beyond the traditional stage settings. In addition to movies made from the plays, there have been movies based on Shakespearean themes, operas and other musical works set to Shakespeare, as well as books, dance, and…

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English Review of Shakespeare 150 150 Deborah

English Review of Shakespeare

Overview William Shakespeare (1564-1616) is known as the greatest writer in the English language and dramatist to the world.  He wrote over 35 plays, including histories, comedies, and tragedies.  His sonnets are a collection of 154, published in 1609.  They contain some of the most beautiful love poetry ever written. Histories Shakespeare wrote historical dramas…

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Science Review of More about Solar Eclipses 150 150 Deborah

Science Review of More about Solar Eclipses

Overview During solar eclipses, more is revealed about the features in the sun’s corona.  The corona is not normally visible to the naked eye, so scientists began studying it long before satellites were launched into space.  In addition, observations during a solar eclipse brought important early proof of Einstein’s theory of relativity. Ancient History of…

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Science Review of the Solar Eclipse 150 150 Deborah

Science Review of the Solar Eclipse

Overview On Monday, August 21, 2017, many people in North America will be able to see either a partial solar eclipse or a total solar eclipse, depending on where they live.  Parts of South America, Africa, and Europe will also see a partial solar eclipse. What Is an Eclipse? During a solar eclipse, the moon…

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Math Review of Multiplying and Dividing Rational Expressions 150 150 Deborah

Math Review of Multiplying and Dividing Rational Expressions

Overview The process of multiplying and dividing rational expressions is similar to multiplying and dividing rational numbers.  In order to multiply, first multiply the numerators, then the denominators, and then simplify the expression.  Division is the inverse of multiplication, so multiply by the reciprocal (or inverse) of the divisor, and then simplify the expression. Multiplying…

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Math Review of Simplifying Rational Expressions 150 150 Deborah

Math Review of Simplifying Rational Expressions

Overview A rational expression has one polynomial in the numerator and one polynomial in the denominator, which means that the numerator is divided by the denominator.  However, the denominator cannot be solved to zero, because division by zero is undefined.   Definition A statement such as (x2 +3)/(y +6) is a rational expression, because it…

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English Review of World Poetry 284 177 Deborah

English Review of World Poetry

Overview Forms of poetry exist all over the world, some predating writing. Poems are written in specific forms from the Far East through Persia and Arabia, using specific features of the culture and language. For example, the Epic of Gilgamesh, written in Sumeria in the third millennium BCE, uses common features of Sumerian language and…

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English Review of Types of Poetry 381 132 Deborah

English Review of Types of Poetry

Overview Poetry is based upon aesthetic and rhythmic qualities of language, and exists across all cultures of the world.  Some say that poems, like music, came before literacy, and poetic tales made important facts easier to remember.  There are hundreds of subtypes of poetry, and some types include narrative poetry, epic poetry, lyric poetry, and…

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