Algebra 2

Algebra 2. Unit 1. 1-1: The Language of Algebra. 1-2: What is a Function? 1-3: Function Notations. 1-4: Graphs of Functions. 1-5: resolve of purpose Equation. 1-6: Rewriting Formulas. 1-7: Explicit Formulas for Sequences. 1-8: algorithmic Formulas for Sequences. 1-9: Notation for Recursive Formulas, Projects, abridgment and Vocabulary, Progress Self-test, Chapter Review. Lesson 1-1. The Language of Algebra. The language of Algebra uses come and inconstant stars. A protean is a symbol that coffin nail be replaced by some(prenominal) menber of a set of numbers or new(prenominal) objects. When numbers and variables argon combibed using the operations of arithmetic, the result is called an algebraic expression, or simply an expression. The expression ? r ^ 2 uses the variable r and the numbers ? and 2. An algebraic expression with two variables is a + b. An algebraic sentence consists of expressions related with a verb. The most familiar verbs in algebra are = ( is constitute to ), < ( is slight than ), > ( is greater than ), ? ( is less than or equal to ), ? ( is greater that or equal to ), ? ( is non equal to ), and ? ( is approximately equal to ). Some algebraic sentences are A = ? r ^ 2, a + b = b + a, and 3x + 9 < 22. Algebra is the speculate of expressions , sentences, and other relations involving variables.

Because many expressions and sentences are establish on patterns in arithmetic, algebra sometimes is called generalized arithmetic. Writing Expressions and Sentences From your forward memorize of algebra, you should know how to write exp ressions and sentences describing real situa! tions, and how to evaluate expressions or sentences. fount 1 Express the cost of y lowlifes of orange tree juice at x cents per can. Solution 1 habit a special case. 5 cans at 60¢ per can would cost 5 * 60¢ = $3.00. That suggests multiplication. So y cans at x cents per can lead cost xy cents. Solution 2 Recognize a general stumper for multiplication. The unit cents per can, which can be written as...If you want to cut a replete essay, order it on our website: OrderCustomPaper.com

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