2024 1st Semester Final Review #1

Front

What is the order of operations in mathematics?

Back

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

Front

Evaluate the expression: 8 + 2 ⋅ 7

Back

22

Front

Solve the expression: (7 x 3) + 9

Back

30

Front

What is the value of b^2 + 3 if b = 9?

Back

84

Front

Which operation do you do first in the expression 19 - 12 ÷ 6?

Back

Multiply / Divide

Front

What is the value of p + 3 when p = 8?

Back

11

Front

Define a variable in mathematics.

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers and performing the operations.

Front

What is the result of 12 ÷ 4 + 5?

Back

8

Front

What is the difference between an equation and an expression?

Back

An equation is a mathematical statement that asserts the equality of two expressions, while an expression is a combination of numbers, variables, and operations without an equality sign.