ATA Rational Equations Quick Check

Front

What is the first step to solve the equation -48 = 0.16n?

Back

Divide both sides by 0.16.

Front

How do you solve the equation -4n = 2/3?

Back

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

Front

What must you do before adding mixed numbers in the equation -1/4 = 4 2/5 + n?

Back

First get a common denominator.

Front

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

Back

n = -300.

Front

What is the first step to solve the equation -3n = 1 4/5?

Back

Convert the mixed number to an improper fraction.

Front

What is a rational equation?

Back

An equation that can be expressed as a ratio of two polynomials.

Front

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

Back

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 purpose of finding a common denominator?

Back

To add or subtract fractions with different denominators.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the solution to the equation -3n = 1 4/5 after converting the mixed number?

Back

n = -rac{9}{5}.