Algebraic Expressions and Equations

determining the value of the variable that makes inequality true

ratios that represent the same part to part or the same part to whole relationship

how many solutions of x are there in parallel lines

the ratio between two values that is always the same and constant

a letter or symbol used to represent a quantity

how many solutions of x are there when two lines intersect

If a=b, then ac=bc

the largest factor that tow or more numbers or terms have in common

simplifying expressions by adding or subtracting like terms

the number multiplied by a variable in an algebraic expression

a mathematical phrase that has at least one variable and can contain numbers and operators

requires two inverse operation to be performed in order to isolate the variable

a ratio that compares two quantities that are measured in two different units

a letter or symbol that is used to represent a quantity

a comparison of two measurements in which the denominator has a value of one unit

a(b-c) = ab-ac

operations that undo each other