cho ham so y=f(x)=3x .a) Ve do thi ham so b) CMR : diem M(2;6) , N(-1;-3) va O thang hang
Cho ham so y = (m-1)x
A. Tim m de do thi ham so tren di qua diem M(-1;2)
B.Voi m tim duoc o cau a. Viet cong thuc ham so tren va ve do thi ham so
Biet diem O,A thuoc do thi ham so y=1/2x .Tim toa do M(2,m) de 3 diem O,A,M thang hang
diem n (3,5;14) thuoc do thi ham so y=ax do thi ham so kia di qua diem m (m;10) vay m=
a,ve do thi ham so y=-1,5x
b,biet rang diem M(a,-3) thuoc do thi ham so tren .Tim gia tri cua a
cho ham so y=(2m 1)x( voi m khong bang -1/2)
a) tim m de do thiham so di qua diem M (2;-1)
b) Ve do thi ham so voi m vua tim duoc o cau a
choham so y = ax
a ) xac dinh he so a biet do thi cua ham so di qua A ( 2;3)
b ) ve do thi cua ham so voi a vua tim duoc
c) diem M ( 1005,2010) co thuoc do thi ham so vua tim duoc o tren khong ? Vi sao
cho ham so y=f(x)=2x va y=g(x)=18/x . khong ve do thi ham so hay tim giao diem cua 2 do thi do
cho ham so y=f(x)=2x va y=g(x)=18/x . khong ve do thi ham so hay tim giao diem cua 2 do thi do