A quadratic equation is shown below:

x2 - 8x + 13 = 0

Which of the following is the first correct step to write the above equation in the form (x - p) 2 = q, where p and q are integers?

Subtract 5 from both sides of the equation

Add 3 to both sides of the equation

Add 5 to both sides of the equation

Subtract 3 from both sides of the equation

Question

Guest

2 April, 18:37

+3

Answers (1)

Know the Answer?

Lexie · Answer 1

Add 3 to both sides, so you will have

x^2 - 8x + 13 + 3 = 3

x^2 - 8x + 16 = 3

And now the left side is a perfect square trinolmial: (x-4) ^2.