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?

Question

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?

anonymous · Answer

Subtract 5 from both sides of the equation

 Subtract 3 from both sides of the equation

 Add 5 to both sides of the equation

 Add 3 to both sides of the equation

aravindg · Answer

Use completing the square process


You have x^2-8x Which constant should be added to get a perfect square?

anonymous · Answer

3?

anonymous · Answer

is it D?

anonymous · Answer

@AravindG

aravindg · Answer

Are you guessing or did you get it by working?

anonymous · Answer

I thought about 9 being a perfect square, and thought 3 and that's D

aravindg · Answer

Not 9 when you add 3 you get 16

Now that will be (x-4)^2=3

 Hence your answer is right

anonymous · Answer

Oh, thanks so much though

aravindg · Answer

yw :)