Rational Expressions

Math ⇒ Algebra

Rational Expressions starts at 8 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Rational Expressions. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 8

Add the rational expressions: 1/x + 2/x.

Add: (2)/(x) + (3)/(x)

Divide: (x² + 2x)/(x) ÷ (x + 2)/1

Divide: (x²)/(x) ÷ (x)/(1)

Explain why (x² - 4)/(x - 2) is undefined for x = 2.

If a rational expression has a denominator of zero, what is the value of the expression?

If f(x) = (x + 1)/(x - 2), what is f(2)?

If g(x) = (x² - 1)/(x - 1), what is g(1)?

Multiply: (x + 1)/(x) × (x)/(x + 1)

Multiply: (x/2) × (4/x)

Simplify the rational expression: (2x)/(4x²).

Simplify: (x² - 16)/(x + 4)

Simplify: (x² - 4)/(x - 2)

Simplify: (x² - 6x + 9)/(x - 3)

Simplify: (x² + 2x)/(x)

Simplify: (x³)/(x²)

Subtract: (5x)/(x²) - (2)/(x)

Subtract: (x + 4)/(x) - (2)/(x)

What is the simplified form of (3x²)/(9x)?

What is the value of (x² - 9)/(x - 3) when x = 5?