What is principal square root?
the positive square root is called the principal square root
What are integers?
the whole numbers and their opposites are called the integers
What is a fraction?
a fraction represents parts of a whole
What is a constant?
a number whose value always stays the same
What is an equation?
two expressions connected by an equal sign
What are irrational numbers?
a number that cannot be written as the ratio of two integers. its decimal form does not stop and does not repeat
What is opposite?
a number is the number that is the same distance from zero on the number line but on the opposite side of zero
What are like terms?
terms that are either constants or have the same variables raised to the same powers are called like terms
What is denominator?
the dominator b is the number of equal parts the whole has been divided into
What is divisible by a number?
a number m is a multiple of n, then m is divisible by n
What is complex fraction?
a fraction in which the numerator or the denominator is a fraction is called a complex fraction
What is absolute identity?
the number 0 is the additive identity because adding 0 to any number does not change its value
What is a coefficient?
a term is the constant that multiplies the variable in a term
What is evaluate an expression?
to evaluate an expression mean to find the value of the expression when the variables are replaced by a given number
What is divisible by a number?
if a number m is a multiple of n, then m is divisible by n
What is a rational number?
a rational number is a number of the form p/4. where p and q are integers and q=0. its decimal form stops and repeats
What are real numbers?
a real number is a number that is either rational or irrational
What is a factor?
if a-b=m, then a and are factors of m
What is least common multiple?
is the smallest number that is a multiple of both numbers
What is an expression?
a number, a variable, or a combination of numbers and variables using operation symbols
What is least common denominator?
the least common denominator of two factions is the least common multiple of their denominators
What is prime factorization?
a number is the product of prime numbers that equals the number
What is order of operations?
established guidelines for simplifying an expression
What is multiplicative identity?
the number 1 is the multiplicative identity because multiplying 1 by any number does not change its value
What is simplify an expression?
to simplify an expression means to do all the math possible