이차 방정식 워크시트
이름: ____________________날짜: ____________
지침: 인수분해, 제곱근, 이차 공식을 통해 이차 방정식을 푼다.
20 문제
- x² − 10x + 16 = 0 x = ______
- x² − 15x + 56 = 0 x = ______
- x² − 13x + 36 = 0 x = ______
- x² − 8x + 16 = 0 x = ______
- x² − 10x + 21 = 0 x = ______
- x² − 9x + 18 = 0 x = ______
- x² − 17x + 72 = 0 x = ______
- x² − 8x + 7 = 0 x = ______
- x² − 5x + 4 = 0 x = ______
- x² − 4x + 4 = 0 x = ______
- x² − 18x + 81 = 0 x = ______
- x² − 11x + 28 = 0 x = ______
- x² − 8x + 12 = 0 x = ______
- x² − 10x + 24 = 0 x = ______
- x² − 13x + 40 = 0 x = ______
- x² − 12x + 27 = 0 x = ______
- x² − 6x + 5 = 0 x = ______
- x² − 13x + 42 = 0 x = ______
- x² − 6x + 8 = 0 x = ______
- x² − 7x + 12 = 0 x = ______