Question

What value of "c" completes the square?

1. x2 + 10x + c
2. x2 + 14x + c
3. x² - 4x + c
4. x2 – 8x + c

Answer 1

Explanation:

`1. \: \: c = 25 \\ 2. \: \: c = 49 \\ 3. \: \: c = 4 \\ 4. \: \: c = 16`

Above values of C completes the square in given quadratic polynomials.