Free Homework Help

Our education staff publish regular articles, tips and tutorials to help students with their homework
Math Review of Division of Exponents 150 150 Deborah

Math Review of Division of Exponents

Overview As division is the inverse of multiplication, so division of exponents is the inverse of multiplication of exponents.  There are properties for the division of exponents similar to the properties for the multiplication of exponents. Quotient of Powers Recall that finding a product of powers with the same base is expressed by the rule…

read more
Math Review of Multiplication of Exponents 150 150 Deborah

Math Review of Multiplication of Exponents

Overview Exponents are used as a type of shorthand directing how many times that a base number is multiplied by itself. Exponential expressions are useful when working with very large or very small numbers, as in scientific notation.   Like other numbers and variables, exponential expressions can be multiplied following certain rules. Review of Simplifying Expressions…

read more
English Review of Ways to Build Vocabulary 150 150 Deborah

English Review of Ways to Build Vocabulary

Overview Building a good vocabulary is an important part of success in English. It helps students to more easily understand what is read, as well as having more words to choose from when writing an essay or a paper. A good vocabulary helps people communicate in all walks of life, both in school and in…

read more
English Review of Plot 150 150 Deborah

English Review of Plot

Overview Plot is essential to any story. The sequence of events within the story are linked by cause and effect to produce a desired outcome, and keep readers engaged. Plots tend to follow a structure where the action rises to a climax, then falls as the situation is resolved for the characters. Exposition and Inciting…

read more
Science Review of Ground Water 150 150 Deborah

Science Review of Ground Water

Overview Not all water on Earth exists in lakes, rivers, and seas. Some water can be found underneath the surface of the Earth as ground water. Ground water is an important source of water for plants and irrigation. The Water Table Most soil, sediment, and sedimentary rock such as sandstone, is porous, so that rain…

read more
Science Review of Floods and Flood Plains 150 150 Deborah

Science Review of Floods and Flood Plains

Overview Large river systems and smaller rivers and streams often flood as a result of heavy rains and snowmelt. Land is submerged as the water level rises above its normal value and overflows its banks, so that water is over land that is usually dry. The 100-Year Flood Many streams flood regularly, but the water…

read more
Math Review of Exponents 150 150 Deborah

Math Review of Exponents

Overview Just as positive exponents direct how many times that a base number can be multiplied by itself, zero and negative exponents direct a similar relationship between the base number and its exponent. Review of Positive Exponents A nonzero expression that contains an exponent of any value has 2 parts, the base and the exponent.…

read more
Math Review of Solving Systems of Linear Equations 150 150 Deborah

Math Review of Solving Systems of Linear Equations

Overview Systems of linear equations can be solved by other methods than graphing, such as substitution and elimination. When solving by elimination, some systems can be solved by addition, subtraction, and multiplication. Solving Equations by Substitution Some systems of linear equations can be solved by solving first for one variable and then substituting that value…

read more
English Review of Types of Poetry 150 150 Deborah

English Review of Types of Poetry

Overview Some of the major types of poetry include narrative poetry, lyric poetry, and prose poetry. Narrative poetry tells a story, while lyric poetry creates a mood. Prose poetry also expresses heightened mood in brief capsules. Why Poetry? Poetry uses the sounds and qualities of language to express feeling. Some of the most obvious qualities…

read more
English Review of Rhetorical Patterns 150 150 Deborah

English Review of Rhetorical Patterns

Overview Writers can use particular types of rhetorical patterns to create personal essays, such as narration, description, how-to, comparison and contrast, cause and effect, classification and division, definition, and argument and persuasion. An effective essay intertwines various types of rhetoric. Narration and Description The most typical pattern is to narrate events in chronological order as…

read more

Enter your
text here