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Algebra

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Graphing linear equations

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Linear equation quick tip
In an equation y=mx+b the b will tell you the y intercept and the mx will tell you the slope of your line. This is useful when you are plotting points and need to know how to graph the line

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Algebra Formulas

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Algebra
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Algebra
Mathematics
Elementary algebra
Equations
Quadratic forms
Quadratic equation
Quadratic
Laws of Exponents (am)(an) = am+n (ab)m = ambm (am)n = amn a0 = 1 (am)/(an) = am-n a-m= 1/(am) Quadratic Formula In an equation like ax2 + bx + c = 0 You can solve for x using the Quadratic Formula: Binomial Theorem (a + b)1 = a + b (a + b)2 = a2 + 2ab + b2 (a + b)3 = a3 + 3a2b + 3ab2 + b3 (a + b)4 = a4 + 4a3b + 6a2b2 + 4ab3 + b4 ...and so on... Difference of Squares a2 - b2 = (a - b)(a + b) Rules of Zero 0/x = 0 where x is not equal to 0. a0 = 1 0a = 0 a*0 = 0 a/0 is undefined (you can't do it)

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Percent of Change

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Percent of Change Find each percent change to the nearest percent. State if it is an increase or a decrease. 1) From 45 ft to 92 ft 2) From 74 hours to 85 hours 3) From 74 ft to 75 ft 4) From 36 inches to 90 inches 5) From 94 miles to 34 miles 6) From 12 ft to 23 ft 7) From 83 hours to 76 hours 8) From 24 grams to 96 grams 9) From 20 tons to 99 tons 10) From 16 tons to 72 tons 11) From 117 minutes to 91 minutes 12) From 188 m to 42 m 13) From 362 m to 156 m 14) From 139 minutes to 385 minutes 15) From $328 to $333 16) From 259 hours to 274 hours 17) From 284 grams to 206 grams 18) From $246 to $221 19) From 309 grams to 299 grams 20) From 326 ft to 241 ft 21) From 4048 minutes to 7548 minutes

Logarithims

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Algebra
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Logarithms
Common logarithm
Natural logarithm
Technology
For any base, the logarithm function has a singularity at . In the above plot, the blue curve is the logarithm to base 2 (), the black curve is the logarithm to base (the natural logarithm ), and the red curve is the logarithm to base 10 (the common logarithm, i.e., log, ). Note that while logarithm base 10 is denoted in this work, on calculators, and in elementary algebra and calculus textbooks, mathematicians and advanced mathematics texts uniformly use the notation to mean , and therefore use to mean the common logarithm. Extreme care is therefore needed when consulting the literature. The situation is complicated even more by the fact that number theorists (e.g., Ivić 2003) commonly use the notation to denote the nested natural logarithm .

Algbra 2

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Para prepare para la escuela. Yo me despierto a la seis y media. Primero yo saco la basura. Yo me ducho y como, y despues de yo preparo, mi hermana y yo vamos a la escuela a ocho y media. Durante el dia yo voy a mis clases y yo estudio para las pruebas. Despues de las clases yo jugo tenis Para cena, mi madre cocina o mi familia comen a una restaraunte. Despues de cena, yo termino mi tarea y yo me ducho antes de yo me acosto. Para preparo para acostarse yo pongo mi ropa a cabo para manana.
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