Lesson 1.7 Rational Equations (Part 1)

Multiple Choice

What is the first step you should take to solve the equation (3x-1)/3 - (2x)/(x-1) = x?

• Multiply all terms by the least common denominator (LCD)

• Combine like terms on one side

• Isolate x on one side

• Add 1 to both sides

Multiple Choice

Which of the following is a solution to the equation (2x+3)/2 - (3x)/(x-4) = x?

• x = 4

• x = -4

• x = 3

• x = 0

Multiple Choice

Lisa and Keith are raking the leaves in their backyard. Working alone, Lisa can rake the leaves in 5 hr, while Keith can rake them in 4 hr. How long would it take them to rake the leaves working together?

• 2 hours 13 minutes

• 4 hours 30 minutes

• 3 hours 15 minutes

• 1 hour 45 minutes