Algebra First 5 lessons review

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 2 is an algebraic expression.

Front

How do you write 'Twelve fewer questions than were on the first test' as an algebraic expression?

Back

q - 12

Front

How do you write 'Two more than seven times Lynn’s age' as an algebraic expression?

Back

7a + 2

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: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often abbreviated as PEMDAS.

Front

Calculate the value of the expression 4^3 - 24 ÷ 8.

Back

61

Front

What does 50^2 mean in terms of multiplication?

Back

50^2 means 50 multiplied by itself, or 50 x 50.

Front

What is the value of 50^2?

Back

2500

Front

How do you simplify the expression (8 + 1) × 12 - 13?

Back

95

Front

What is a variable in algebra?

Back

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

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable. For example, in the expression 5x, 5 is the coefficient.