Mathematics Qidong, page 47, page 48, find the answer.

Well, I didn't correct it. I can only give you a partial answer.

CC？ D

Step 5: 3

6.？

N+65438+2an in 7.0.

8.y = 6/x

9. Bring A(0, -2) into y = k1x+b.

b=-2

Bring b into y = k1x+B.

0=k 1-2

k 1=2

So y=2x-2.

10.( 1) Because 4 = s △ AOB = n of AO2 (n is an absolute value).

So n= plus or minus 4.

When n=4 and y = 8/x, y=kx+2.

When n=-4, y = -8 and y=-x-2 in x.

(2) When n=4, s △ OCB = oc 2 = 2.

When n=-4, s △ OCB = oc 2 = 2.

So △ocb=2

1 1.( 1) takes a to y = k in x.

K= 3 under negative root sign

So the negative root of y = x 3.

(2) that. . . No,,,

12.( 1)k= 12，m=-4

Be sure to choose me! Pure hands! Although some won't. . But you can't find a better answer than me, unless that person plagiarizes!

I'm sorry . Check the rest again. . Mine is a little incomplete. . . Ha ha. . . .