Squares, Roots & Cubes Quiz

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Test your knowledge on squares, roots and cubes

SITI NORFIZA BINTI SUHAILI KPM-Guru

Malaysia

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Squares, Roots & Cubes Quiz


Squares, Roots & Cubes QuizVersion en ligne Test your knowledge on squares, roots and cubes par SITI NORFIZA BINTI SUHAILI KPM-Guru 1 What is a perfect square? a A product of two primes b A multiple of 3 c A prime number d The square of an integer 2 Is 27 a perfect square? a Only if you round the number b No c Yes d Only if you take a square root twice 3 What is the relationship between a number and its square root? a The square root times itself equals the original number b The square root is the reciprocal of the number c They are always equal for any integer d The square root is always larger than the number 4 Which of the following is a perfect square? a 16 b 18 c 22 d 20 5 Cube of 4 is: a 8 b 16 c 64 d 256 6 Cube root of 27 is: a -3 b 3 c 9 d 1 7 Estimate the square root of 50. a Exactly 7.5 b About 9 c About 5 d About 7 8 If n has square root r, what is r^2? a n b 1/n c sqrt(n) d n^2 Feedback 1 A perfect square is n^2 where n is an integer. 2 27 is not a square of any integer. 3 If x is the square root of n, then x^2 = n. 4 16 = 4^2, a perfect square. 5 4^3 = 64. 6 3^3 = 27. 7 since 7^2=49 and 8^2=64, sqrt(50) ≈ 7. 8 By definition, r^2 = n.