8th Grade Vocab: Pythagorean Theorem

What is an exponent?

• An exponent is a number that adds a base to itself.
• An exponent is a number that indicates how many times to multiply a base by itself.
• An exponent is a type of mathematical function.
• An exponent is a symbol used to denote division.

What is the correct definition of scientific notation?

• A method of writing numbers in alphabetical order.
• A method of writing numbers as a product of a coefficient and a power of ten.
• A way to express numbers using only whole numbers.
• A technique for rounding numbers to the nearest integer.

What is the definition of a square root?

• The square root of a number is the number itself.
• The square root is always a negative value.
• The square root of a number is the sum of its digits.
• The square root of a number is a value that, when multiplied by itself, gives the original number.

What is the definition of volume?

• The weight of an object.
• The surface area of a shape.
• The density of a material.
• The amount of space occupied by a three-dimensional object.

What is the real number system?

• The real number system only includes whole numbers.
• The real number system includes all rational and irrational numbers.
• The real number system is limited to positive numbers only.
• The real number system consists solely of integers.

What is a rational number?

• A rational number is a number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.
• A rational number is a number with an infinite decimal representation.
• A rational number is always an integer.
• A rational number is a number that cannot be expressed as a fraction.

What is an irrational number?

• An irrational number is always negative.
• An irrational number is a number that cannot be expressed as a simple fraction.
• An irrational number is a whole number.
• An irrational number can be expressed as a repeating decimal.

What is the Pythagorean Theorem?

• The Pythagorean Theorem is a² + b² = c².
• The Pythagorean Theorem applies only to triangles with equal sides.
• The Pythagorean Theorem is about the area of a circle.
• The Pythagorean Theorem states that a + b = c.

What is a right triangle?

• A triangle with one angle greater than 90 degrees.
• A triangle with all angles less than 90 degrees.
• A triangle with one 90-degree angle.
• A triangle with two equal sides.

What is the definition of a

perfect square?

• A perfect square is a number that is the sum of two integers.
• A perfect square is a number that can be divided by 2 without a remainder.
• A perfect square is a number that ends with the digit 5.
• A perfect square is a number that is the square of an integer.