8th Grade Math Vocabulary Review

What is the definition of 'Approximate'?

• nearly correct or exact; close in value or amount but not precise.

• completely accurate and precise.

• not related to the subject.

• an exact measurement.

What is the definition of 'Base'?

• a number that is raised to a power.

• a mathematical operation involving addition.

• a type of chemical compound.

• a unit of measurement in physics.

What is the definition of 'Exponent'?

• a symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power.

• a mathematical operation involving addition and subtraction.

• a process of finding the square root of a number.

• a method of solving linear equations.

What is the definition of 'Integers'?

• any of the natural numbers, the negatives of these numbers, or zero.

• only positive numbers.

• only negative numbers.

• only whole numbers greater than zero.

What is the definition of 'Irrational Number'?

• A number that continues infinitely. It never terminates and never repeats.

• A number that can be expressed as a fraction.

• A number that is negative.

• A number that is a whole number.

What is the definition of 'Rational Number'?

• a number that can be expressed as an integer or the quotient of an integer divided by a nonzero integer.

• a number that cannot be expressed as a fraction.

• a number that is always positive.

• a number that is always negative.

What is the definition of 'Perfect Square'?

• an integer (such as 9 or 36) whose square root is an integer.

• a number that is divisible by 2.

• a number that is a multiple of 10.

• a number that is a prime number.

What is the definition of 'Pi (π)'?

• a transcendental number having a value rounded to eight decimal places of 3.14159265.

• a rational number that can be expressed as a fraction.

• the ratio of the circumference of a square to its side length.

• a complex number used in quantum mechanics.

What is the definition of 'Power'?

• the number of times as indicated by an exponent that a number occurs as a factor in a product.

• a measure of the amount of matter in an object.

• the ability to do work or cause change.

• the rate at which energy is transferred or converted.

What is the definition of 'Square Root'?

• The factors multiplied to form perfect squares.

• A number that, when multiplied by itself, gives the original number.

• The result of dividing a number by two.

• A number that is one less than a perfect square.