The value of x at which y is minimum for y = x2 − 3x + 1 is

2009

The value of x at which y is minimum for y = x2 − 3x + 1 is

Answer: B. 3/2 — The function y = x^2 - 3x + 1 is a quadratic equation representing a parabola opening upwards. The minimum value occurs at the vertex, where x = -b / (2a).…

  1. A.

    -3/2

  2. B.

    3/2

  3. C.

    0

  4. D.

    -5/4

Attempted by 75 students.

Show answer & explanation

Correct answer: B

The function y = x^2 - 3x + 1 is a quadratic equation representing a parabola opening upwards. The minimum value occurs at the vertex, where x = -b / (2a). Substituting a = 1 and b = -3, we get x = -(-3) / (2 * 1) = 3/2.

Explore the full course: Iocl Engineers Officers Grade A Paper 2

Loading lesson…