Cho biet diem A(m; 2-m) thuoc do thi cua ham so y=2x-1.hay tim 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
1 cho ham so y=/x//x
a ve do thi ham so
b cm 2diem M(-1;-1)va N(1,1) thuoc do thi ham so
c.Cm 3 diem M,C,N thang hang
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 = (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
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
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=
cho ham so y=f(x)=3/5x, diem M thuoc do thi ham so do
a) tinh f(5), f(-10)
b tim a
giup mk vs mk can gap