Evaluate Algebraic Expressions

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 evaluate an algebraic expression?

Back

To evaluate an algebraic expression, substitute the values of the variables into the expression and perform the arithmetic operations.

Front

Evaluate the expression if a=3 and b=4: 18 ÷ 2a

Back

27

Front

Evaluate 7y - 3y for y=2.

Back

8

Front

Evaluate the following expression if a=6 and b=3: b - ab + a

Back

-9

Front

Evaluate the expression for x=7, y=15, z=8: 13y - zx ÷ 4

Back

181

Front

Evaluate the expression. Let g = 3 and h = 9: 4h + 2g + 4

Back

46

Front

What is the value of a variable in an expression?

Back

The value of a variable in an expression is the number that replaces the variable when evaluating the expression.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform operations to reduce it to its simplest form.

Front

What is a coefficient in an algebraic expression?

Back

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