Complete the square
r^2+8r+ ____
p^2+6p+____
Math trouble?
2015-09-13 11:45 pm
回答 (3)
2015-09-13 11:50 pm
To complete the square, add the square of half the coefficient of the linear term.
r² + 8r + 16
p² + 6p + 9
r² + 8r + 16
p² + 6p + 9
2015-09-13 11:48 pm
r² + 8r
coefficient of r term: 8
divide in half: 4
square it: 4²
r² + 8r + 4² = (r+4)²
coefficient of r term: 8
divide in half: 4
square it: 4²
r² + 8r + 4² = (r+4)²
2015-09-13 11:46 pm
r^2+8r+16
p^2+6p+9
p^2+6p+9
收錄日期: 2021-04-21 14:12:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150913154506AA9uAVU