MATH REVIEW

Front

What is a coefficient in an equation?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

If m = 8 + d, how do you find Mary's age if David is 10 years old?

Back

Substitute d with 10: m = 8 + 10 = 18. Mary is 18 years old.

Front

What expression represents the number of pictures Jose took if Matt took p pictures and Alicia took 18 pictures?

Back

The expression is 2(p + 18), since Jose took twice as many pictures as both Matt and Alicia.

Front

How do you calculate the money Greg makes if he earns $6 an hour and works h hours?

Back

Use the equation m = 6h. For 9 hours, m = 6 * 9 = $54.

Front

What does the variable 'm' represent in the equation m = 6h?

Back

The variable 'm' represents the total money Greg makes.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in an equation or expression.

Front

What is the difference between a term and a constant in an equation?

Back

A term is a part of an expression that can be a number, variable, or the product of numbers and variables. A constant is a fixed value that does not change.

Front

What does the equation 6z = 12 tell us about the number 6?

Back

In the equation, 6 is the coefficient of the variable z.

Front

If Jose took twice as many pictures as Matt and Alicia combined, how do you express that mathematically?

Back

If Matt took p pictures and Alicia took 18, then Jose took 2(p + 18) pictures.

Front

What is the solution to the equation m = 8 + d when d = 10?

Back

The solution is m = 18.