Module 2 Review

Front

What does the equation 2 + 3n = 4n represent?

Back

Two plus three times a number n is equal to four times n.

Front

Solve the equation: 3 |y + 6| = 30. What are the solutions?

Back

{– 16, 4}

Front

What is the number of solutions for the equation 10 − m = m − 10?

Back

one solution

Front

Back

x = 10y − 6

Front

What is a statement that two ratios are equivalent called?

Back

proportion

Front

What is the definition of a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What does it mean if an equation has no solution?

Back

It means that there are no values that can satisfy the equation.

Front

What is an identity in mathematics?

Back

An identity is an equation that is true for all values of the variable.