Problem 177 of 7
Complete the square exactly for x^2+(4/5)x-3 with fractional coefficients.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
handle fractions exactly.
Hidden until you reveal it.
Coefficients must be rational and exact fractional arithmetic must be preserved.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Take half of the fractional linear coefficient.
2. Square the fraction exactly.
3. Balance the added value and simplify the constant.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Rounded decimals when exact form is requested.