RE Unit Sponges

Lesson 1: Simplifying Rational Expressions (Intro basic problems)

[math]1.\frac{42y^3x}{18y^7}[/math][br][math]2.\frac{-3x^2y^5}{18x^5y^2}[/math][br][br]

Lesson 2: Simplifying Rational Expressions (more complex)

[math]1.\frac{\left(-3t^2u\right)^3}{\left(6tu^2\right)^2}[/math]

Lesson 3: Multiplying Rational Expressions

[math]1.\frac{4y^2-9}{21c}\cdot\frac{8y}{2y-3}[/math]

Lesson 4: Dividing Rational Expressions

[math]1.\frac{a^2+2a-15}{a-3}\div\frac{a^2-4}{2}[/math]

Lesson 5: One of Each- Multiply, Divide, Add, and Subtract

[math]1.\frac{a^2-b^2}{14}\cdot\frac{35}{a+b}[/math][br][math]2.\frac{3x-21}{x^2-49}\div\frac{3x}{x^2+7x}[/math][br][math]3.\frac{3}{x^2-25}+\frac{6}{x-5}[/math][br][math]4.\frac{6-y}{y-2}-\frac{3+y}{2-y}[/math]