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Sticky Note
If p is a prime number, then x = √p is ______ number.
  1. Irrational
  2. Rational
  3. Imaginary
  4. None of these
Explanation

The square root of any prime number is not a perfect square.

Therefore, √𝑝 is irrational, meaning it cannot be expressed as a fraction of two integers.

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47⁴³ + 43⁴³ is divisible by?
  1. 45
  2. 60
  3. 90
  4. None of these
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If y = 2x and z = 5y, then x + 3y + z = ?
  1. 15x
  2. 17x
  3. 16x
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Solve for x: 2x+5=15
  1. 3
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Simplify: (3x + 2)(3x − 2)
  1. 9x² + 4
  2. 9x² − 4
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If the point is (a,−a), then it lies on which line?
  1. y=x
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