Class 9 Mathematics Equations and Modes Quiz
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Questions and Answers

What is the value of the constant $k$ in the equation $y = kx^2$ if $y = 8$ when $x = 2$?

  • $2$
  • $8$
  • $4$ (correct)
  • $1$
  • What is the mode of the following set of numbers: 6, 7, 8, 9, 6, 7, 8, 9, 6, 7, 8?

  • 7
  • 9
  • 8
  • 6 (correct)
  • If the sum of two consecutive natural numbers is 79, what is the smaller number?

  • 40
  • 38
  • 39 (correct)
  • 41
  • Solve the equation $rac{7x + 5}{3} = 4 - rac{x}{2}$ to find the value of $x$.

    <p>$7$</p> Signup and view all the answers

    What is the solution to the equation $\frac{7x + 5}{3} = 4 - \frac{x}{2}$?

    <p>The solution is $x = 6$.</p> Signup and view all the answers

    What is the mode of the numbers 6, 7, 8, 9, 6, 7, 8, 9, 6, 7, 8?

    <p>The mode is 6, 7, and 8.</p> Signup and view all the answers

    What is the value of the constant $k$ in the equation $y = kx^2$ when $y = 8$ and $x = 2$?

    <p>The value of $k$ is 2.</p> Signup and view all the answers

    What is the sum of two consecutive natural numbers if their difference is 1?

    <p>79</p> Signup and view all the answers

    What is the solution to the equation $rac{7x + 5}{3} = 4 - rac{x}{2}$?

    <p>x = 7</p> Signup and view all the answers

    If $y = kx^2$ and $y = 8$ when $x = 2$, what is the value of the constant $k$?

    <p>2</p> Signup and view all the answers

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