4.2: Linear relations

Linear relation: A relationship between the independent and dependent variable. Represented as a straight line on a graph. Rate of Change: A rate that describes how one quantity changes in relation to the other quantity Variable: A letter that represents a quantity that can change Operations: addition , subtraction, multiplication, division, exponents Expression: A mathematical…

3.1 Rational Numbers

Rational Numbers: Any numbers that can be expressed as a quotient or fraction Irrational Numbers: Any numbers that CAN’T be expressed as a fraction (Numbers that are not rational.) Notes: ALL integers are rational, ALL fractions are rational, ALL terminating decimals are rational, ALL repeating decimals are rational Examples of Rational Numbers: 5, -5, 1/2,…