ATA Rational Equations Quick Check

Front

To solve the equation -4n = 2/3, what operation should you perform?

Back

Multiply both sides of the equation by -1/4.

Front

What is the solution to the equation -48 = 0.16n?

Back

n = -300.

Front

To solve the equation -5 = \frac{6}{11}n, what operation should you perform?

Back

Multiply both sides by \frac{11}{6}.

Front

What is the solution to the equation \frac{n}{-2} = -9.4?

Back

n = 18.8.

Front

To solve the equation -\frac{1}{4} = 4 \frac{2}{5} + n, what is the first step?

Back

First get a common denominator.

Front

What does it mean to isolate a variable in an equation?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the first step to solve the equation 3n + 5 = 20?

Back

Subtract 5 from both sides.

Front

What is the solution to the equation 2n - 4 = 10?

Back

n = 7.

Front

What is the purpose of finding a common denominator in fractions?

Back

To make it easier to add or subtract fractions.

Front

What operation would you use to eliminate a fraction in an equation?

Back

Multiply both sides of the equation by the denominator.