Radical Expressions

Math ⇒ Algebra

Radical Expressions starts at 9 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Radical 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 9

Rationalize the denominator: 1/√5

Simplify: √16 + √9

Simplify: √18 + √8

Simplify: √27 - √12

Simplify: √45 + √20

Simplify: √50

Simplify: √75 - 2√3

Simplify: (√2 + √3)(√2 - √3)

Which of the following is a radical expression? (1) 2x + 3 (2) x² + 5 (3) √x + 2 (4) 4x - 1

Which of the following is equal to 3√2? (1) √6 (2) 3√4 (3) 3√2 (4) 6√2

Which of the following is equivalent to (√2)⁴? (1) 2 (2) 4 (3) 8 (4) 16

Which of the following is NOT a radical expression? (1) √7 (2) 2x (3) 4√y (4) √(x+1)

Fill in the blank: √25x² = _______

Fill in the blank: The cube root of 27 is _______.

Fill in the blank: The cube root of 8 is _______.

Fill in the blank: The nth root of a number a is written as _______.

True or False: √(-9) is a real number.

True or False: √25 = -5.

True or False: √4x² = 2x for all real numbers x.

True or False: √ab = √a × √b for all real numbers a and b.