Current location - Training Enrollment Network - Mathematics courses - Senior one mathematics compulsory 2-person education edition A P 144 Review the detailed answers to the reference questions A and B.
Senior one mathematics compulsory 2-person education edition A P 144 Review the detailed answers to the reference questions A and B.
Group a

1( 1)(x+5)? +(y-3)? =25 (2) x? +y? - 10y+20=0

2 (x-5/3)? +y? =25/9

3 cutting

4 4√ 10

5(x-2)? +(y+3)? =25

6 x-y+2=0

7 (x-4)? +(y+2)? = 1

8 m= 1 (x-2)? +(y+ 1)? =4

Group b

1 (x- 1)? +(y+2)? =2

2 yuan

3 2+π

4 (7, 1)(-5,-5) 15

6 (3, 1) 4√5