계산력 문제

정답

Ⅰ. 도형의 방정식

도형의 이동

1. (1) [eqn: (1,````-2)]         (2) [eqn: (3,````3)]

(3) [eqn: (0,````1)]            (4) [eqn: (-2,````-6)]

2. (1) [eqn: (0,````5)]            (2) [eqn: (3,````2)]

(3) [eqn: (-6,````10)]         (4) [eqn: (-3,````0)]

3. (1) [eqn: x-y=4]

(2) [eqn: 2x+3y=0]

(3) [eqn: y=2(x-2) ^{2} -4]

(4) [eqn: y=-(x-3) ^{2} +1]
(5) [eqn: (x-3) ^{2} +y ^{2} =4]

(6) [eqn: x ^{2} +(y-2) ^{2} =1]

4. (1) [eqn: (1,````2)]           (2) [eqn: (-1,````-2)]

(3) [eqn: (-1,````2)]         (4) [eqn: (-2,````1)]

5. (1) [eqn: (-3,````-5)]      (2) [eqn: (3,````5)]

(3) [eqn: (3,````-5)]         (4) [eqn: (5,````-3)]

6. (1) [eqn: x+3y+4=0]    (2) [eqn: x+3y-4=0]

(3) [eqn: x-3y-4=0]    (4) [eqn: 3x-y-4=0]

7. (1) [eqn: y=-(x+1) ^{2} +5]

(2) [eqn: y=(x-1) ^{2} -5]

(3) [eqn: y=-(x-1) ^{2} +5]

(4) [eqn: x=(y+1) ^{2} -5]

8. (1) [eqn: (x+2) ^{2} +(y+1) ^{2} =9]

(2) [eqn: (x-2) ^{2} +(y-1) ^{2} =9]

(3) [eqn: (x-2) ^{2} +(y+1) ^{2} =9]

(4) [eqn: (x-1) ^{2} +(y+2) ^{2} =9]