8TH GRADE MATH REVIEW EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

rational number Correct Answer: a number that can be expressed as a ratio (fraction) of two integers - terminating and repeating decimals are considered rational irrational number Correct Answer: Any real number which cant be expressed as a fraction of two integers real number Correct Answer: All rational and irrational numbers scientific notation Correct Answer: a method of writing very large (34,200,000) or very small (0.0000029) numbers using powers of 10 square root Correct Answer: a number that when multiplied by itself equals a given number 2 constant Correct Answer: A value that does not change coefficient Correct Answer: A number multiplied by a variable. commutative property Correct Answer: The property that says that two or more numbers can be added or multiplied in any order without changing the result. distributive property Correct Answer: a(b + c) = ab + ac associative property Correct Answer: Changing the grouping of numbers will NOT change the value. For example: (7 + 4) + 8 = 7 + (4 + 8) also works with multiplication order of operations Correct Answer: Rules describing what sequence to use in evaluating expressions slope-intercept form Correct Answer: y=mx+b 3 undefined Correct Answer: Denominator equals zero absolute value Correct Answer: The distance a number is from zero on a number line. ALWAYS POSITIV