Adaptive Practice
Square and Square Roots
10 questions • Earn up to 110 XP • First attempt — go for 100%!
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Question 1 of 10
⏱ 0:30
Easy
What is the square of 15?
Easy
If \( \sqrt{x} = 12 \), what is the value of \( x \)?
Easy
Which of the following is a perfect square?
Medium
Find the square root of 0.0009.
Medium
If the side of a square field is \( \sqrt{50} \) meters, what is its area?
Medium
The square of a number is 169. What is the number?
Hard
If \( (x + 3)^2 = 49 \), find the value of \( x \).
Hard
Which of the following numbers is NOT a perfect square?
Hard
If \( \sqrt{a} + \sqrt{b} = 7 \) and \( \sqrt{a} - \sqrt{b} = 3 \), find \( a - b \).
Medium
Simplify \( \sqrt{72} + \sqrt{50} \).