Advanced MathEasySide of a square from a doubled area
Advanced Math practice question
Two identical square tiles together cover 50 square centimetres. What is the side length of one tile, in centimetres?
Answer: 5
Each tile covers 25 cm², and 5² = 25.
Common wrong answers
- If you answered 25
- 25 is the area of one tile.
- If you answered 7.07
- 7.07 is √50, taking the root of the combined area.
- If you answered 12.5
- 12.5 halves 25 instead of taking its square root.
More Advanced Math questions
- Easy
If f(x) = 3x − 7, what is the value of f(5)? - Easy
What are the solutions to x² − 9 = 0? - Easy
Which of the following expressions is equivalent to x² + 7x + 12 ? - Easy
The function g is defined by g(x) = x³ + 2x. What is the value of g(−2) ? - Easy
For x > 0, which of the following is equivalent to ∛(x⁵) ? - Easy
The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
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