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Chapter 1 - 8A

algebraic expressions An expression with one or more numbers, variables, and arithmetic operation
base when a number is raised to a power, the number that is used as a factor is the base
coefficient The number in front of a variable
conditional statement Statements written in the form 'If A, then B'
coordinate system the grid formed by the intersection of two number lines, the horizontal axis and the vertical axis
counterexample A specific case in which a statement is false
deductive reasoning The process of using facts, rules, definitions, or properties to make a conclusion
dependent variable The variable in a relation that depends on the value of the independent variable
domain The input or x values of a function
exponent Tells you how many times to multiply the base by itself
function One input = one output
hypothesis The part of the conditional that is after the 'if'
independent variable The variable in a relation that does not depend on the value of the dependent variable
inequality A statement that compares two quantities using <, >, ≤,≥, or ≠
integer A positive or negative whole number
irrational numbers A number that cannot be expressed as a ratio or fraction
like terms Terms that have the same variable
multiplicative inverses For any number a, a * (1/a) = 1
order of operations PEMDAS
perfect square Rational numbers whose square roots are whole numbers
real numbers The set of rational numbers and irrational numbers together
reciprocal The multiplicative inverse of a number - flip it
solution A replacement value for the variable in an open sentence - the answer
Created by: mlacelle