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abidemiokin

The value that must be added to the expression x^2 - 3x to make it a perfect-square trinomial is 9/4

Given the expression x^2 - 3x

  • In order to get the constant to be added to give a perfect trinomial, we will use the completing the square method.

Add the square of the half of coefficient of x.

  • Coefficient of x = -3
  • Half of the coefficient of x = (-3/2)
  • Square of half of coefficient of x = (-3/2)^2 = 9/4

Therefore the value that must be added to the expression x^2 - 3x to make it a perfect-square trinomial is 9/4

Learn more on completing the square here: https://brainly.com/question/1596209

Answer:

its b 9/4

Step-by-step explanation:

i did it edg 2022

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