Equivalent expressions

Front

What is an equivalent expression?

Back

An equivalent expression is an expression that has the same value as another expression for all values of the variable(s) involved.

Front

How do you combine like terms?

Back

To combine like terms, add or subtract the coefficients of terms that have the same variable raised to the same power.

Front

What is the expression for '5 times a number y'?

Back

5y

Front

What does the expression '12 more than 5 times a number y' look like?

Back

12 + 5y

Front

Is 2^5 the same as 2 x 5?

Back

False, 2^5 means 2 multiplied by itself 5 times, which equals 32.

Front

What is the equivalent expression for 6y + 22y + y?

Back

29y

Front

What is the equivalent expression for z + z^2 + 1?

Back

1 + z + z^2

Front

What is the equivalent expression for 3x + 5 + 7x + 2?

Back

10x + 7

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and 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 expression.