Expressions Review

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression. For example, in the expression 4x, 4 is the coefficient.

Front

Back

1

Front

If a = -2 and b = -3, what is the value of 3a^2b?

Back

-36

Front

What is the coefficient in the expression: 6y + 7?

Back

6

Front

Back

3

Front

If p = -6, what does -10(p + 4) equal?

Back

20

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations. For example, 2x + 3 is an algebraic expression.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the value of the expression 5x + 2 when x = 2?

Back

12

Front

What is the difference between a term and a coefficient?

Back

A term is a single mathematical expression, which can be a number, variable, or the product of numbers and variables. A coefficient is the numerical part of a term that contains a variable.