the distance a real number, x, lies from the origin on the number line, denoted by | x |

an equation with a variable within an absolute value symbol

a function with a variable within an absolute value symbol

an inequality that has a variable within an absolute value symbol

an expression containing only algebraic symbols and operations—addition, subtraction, multiplication, division, roots, and powers

a continuous piece of the circumference of a circle

a line a graph approaches more and more closely; a tangent at infinity

a statement accepted as true without proof

deductions set by the federal government that include Canada Pension Plan (CPP), Employment Insurance (EI), and income tax

a statement formed by combining a conditional and its converse, using if and only if