Tcs Algebra 1 Chapters 1-3 Study Guide Graded A+

Multiplication by -1 {Ans: -1 times the number equals the opposite of that number; that is, for any real number x, -1 * x = -x}Additive inverse or opposites {Ans: If the sum of two numbers equals zero Example -(-x) = x}Transforming an equation {Ans: To do the same operation to each member of the equation}division {Ans: Multiplying a number by it's reciprocal. That is, for any real numbers ex and Y with why not equal to zero; x / y = x * 1 / y}numerical coefficient {Ans: The constant that is multiplied by the variables. For example in 5xy, 5 is the numerical coefficient of xy}Commutative Axiom for Multiplication {Ans: xy = yx}