Solving Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations (like addition, subtraction, multiplication, and division). For example, 3x + 5 is an algebraic expression.

Front

What does it mean to evaluate an algebraic expression?

Back

To evaluate an algebraic expression means to substitute the values of the variables into the expression and perform the operations to find a numerical answer.

Front

Evaluate: 8c + 6c when c = 4

Back

51

Front

Evaluate: z + 6z when z = 4

Back

28

Front

Evaluate: 5c + 7k when c = 2 and k = 7

Back

59

Front

Evaluate: 3f + 5 when f = 8

Back

29

Front

Evaluate: 10/h + 8c when h = 5 and c = 4

Back

34

Front

What is a variable in algebra?

Back

A variable is a symbol (often a letter) that represents an unknown value. For example, in the expression 2x + 3, 'x' is a variable.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a number that is multiplied by a variable. In the expression 4x, 4 is the coefficient of x.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. In the expression 3x + 5, 5 is a constant.