Evaluating Expressions

Front

What is the variable in the expression 3x - 5?

Back

x

Front

Find the coefficient in the algebraic expression 4x + 5.

Back

4

Front

What is a variable?

Back

A letter or symbol standing for an unknown value.

Front

If 9 = p, what is p²?

Back

81

Front

In the expression 5p + 4h - 2, which are the variables?

Back

p, h

Front

What is a coefficient?

Back

A number that multiplies a variable.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting variables with numbers.

Front

What is the constant in the expression 3x + 7?

Back

7

Front

If x = 2, what is the value of 3x + 4?

Back

10

Front

What is the difference between a term and an expression?

Back

A term is a single mathematical entity, while an expression is a combination of terms.