and 7.2 1. Add and subtract rational expressions. 2 3 x x 6 9 x2 4 x x 1 (2) 2 25 x x 5 9x 2 7 (3) 2 2 3x 2 x 8 3x x 4 3x 2 (4) 2 2 2x 9x 5 6x x 2 (1) 2 2. Simplify complex rational expressions. 3 2 (1) x 4 4 x 2 2 x 1 x4 2 6 (2) x 2 x 7 4 x 13 2 x 9 x 15 2 5 3 2 2 y xy x (3) 2 7 3 2 2 y xy x 1 xy 1 (4) 2 2 x y 1 3. Solve rational equations. x 1 2 2
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______ / ______ Algebra I Quarter 1 Exam Answer the questions below. Make sure to show your work when applicable. Solve the absolute value equation. Check your solutions. | 5x + 13| = –7 5x + 13 = -7 5x = -20 X = -4 Simplify the expression below. 6n2 - 5n2 + 7n2 6 – 5 + 7 = 8 =8n2 The total cost for 8 bracelets‚ including shipping was $54. The shipping charge was $6. Write an equation that models the cost of each bracelet. 8 x + 6 = 54 $8.00 each bracelets
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[pic][pic][pic][pic][pic][pic][pic][pic][pic][pic][pic][pic][pic][pic][pic][pic] |1. Which expression is not a polynomial? | |(Points : 3) | | [pic] Option A: [pic] | |
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Rational Equations Rational equations can be used to get a general idea about the rate at which a job can be completed. This can be really useful for business owners and other areas of daily life. Here is an example: Scenario: Sue can paint the garage in 4 hours and Joe has carpal tunnel so he is slower and can paint the same garage in 6 hours. How long (number of hours) will it take Sue and Joe to paint the garage if they work together? Solution: Sue can paint of the garage in 1 hour. Joe
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TRANSITION EXPRESSION A Transitional Expression is a Transitional Phrase or a Conjunctive Adverb. Transitional expressions help your reader to understand how you have organized your material‚ making it easier for them to move from one point to the next in your writing. Use Transitional expressions to: add ideas‚ emphasize ideas‚ illustrate ideas‚ compare/contrast ideas‚ show cause and effect‚ place ideas in time‚ and summarize ideas. ( Jadi Transitional Expression adalah semacam kata penghubung
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The Changes of Expression In this paper i will discuss the way expression has changed from the way it was in prehistoric times to the present time. The three items that have evolved are non verbal communication‚ speech‚ and the writting format. First of all non verbal comminunication the has evolved by simple movements to sign language. what is non verbal communication? The sending and receiving of messages thru movements of the body‚ postures and expressions of the face. Example the shking
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RATIONAL NUMBERS In mathematics‚ a rational number is any number that can be expressed as the quotient or fraction p/q of two integers‚ with the denominator q not equal to zero. Since q may be equal to 1‚ every integer is a rational number. The set of all rational numbers is usually denoted by a boldface Q it was thus named in 1895 byPeano after quoziente‚ Italian for "quotient". The decimal expansion of a rational number always either terminates after a finite number of digits or begins to repeat the
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REAL NUMBERS Q.1 Determine the prime factorization of the number 556920. (1 Mark) (Ans) 23 x 32 x 5 x 7 x 13 x 17 Explanation : Using the Prime factorization‚ we have 556920 = 2 x 2 x 2 x 3 x 3 x 5 x 7 x 13 x 17 = 23 x 32 x 5 x 7 x 13 x 17 Q.2 Use Euclid’s division algorithm to find the HCF of 210 and 55. (1 Mark) (Ans) 5 Explanation: 5 ‚ Given integers are 210 and 55 such that 210 > 55. Applying Euclid’s division leema to 210 and 55‚ we get 210 = 55 x 3 + 45 ………
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A rational number is a number that can be written as a ratio of two integers. The decimal of a rational number will either repeat or terminate. There is a way to tell in advance whether a rational number’s decimal representation will repeat or terminate. When trying to find a pattern in the relationship between rational numbers and their decimals‚ it is best to start with a list. A random list of rational numbers and their decimal values was made in order to find a pattern. The list included ½‚ 5/6
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Rational Algebraic Expressions 4. Rational Algebraic Expressions Note You need to understand how to multiply algebraic expressions using the distributive law before starting work on this tutorial. If you feel you need to review this‚ go back to 3. Multiplying and Factoring Algebraic Expressions. Q What is a Rational Expression? Rational Expression A rational expression is an algebraic expression of the form P/Q‚ where P and Q are simpler expressions (usually polynomials)‚ and the denominator
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