EOG REVIEW UNIT 1

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

Front

Explain the concept of the order of operations in mathematics.

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

Define the term 'proportion' in mathematics.

Back

A proportion is an equation that states that two ratios are equal.

Front

What is the difference between mean, median, and mode?

Back

Mean is the average of a set of numbers, median is the middle value when numbers are arranged in order, and mode is the number that appears most frequently in a data set.

Front

How do you solve a one-step equation?

Back

To solve a one-step equation, isolate the variable by performing the inverse operation on both sides of the equation.

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

Explain the concept of a fraction and its components.

Back

A fraction represents a part of a whole and consists of a numerator (the top number) and a denominator (the bottom number).

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): a² + b² = c².

Front

Define 'integers' in mathematics.

Back

Integers are whole numbers that can be positive, negative, or zero, but do not include fractions or decimals.