cho ham so y =(2m-4)x-1. Tim m de do thi ham so dong quy voi hai duong thang y = -x+1 va y=2x-5
Gia tri cua m la
Cho ham so y = \(\frac{1}{2}\)x2
a) Ve do thi (P) cua ham so
b) Tim cac gia tri cua x de y = 8
Cho ham so bac nhat y=mx+1
a, Tim mde ham so nghich bien ? Ve do thi ham so voi m=2
b, Tim m de do thi ham so qua M (3;2) . Ve do thi ham so voi m tim duoc
c , Chung to do thi ham so luon qua 1 diem co dinh voi moi gia tri cua m
Bai 2:(1,0 diem) Cho ham so y = - 2x + 3 (d)
a) Ve do thi (d) cua ham so tren.
b) Tim m de do thi ham so y = (m+ 1)x - 3 song song voi do thi ham so y = - 2x + 3.
help!!!!!
xac dinh gia tri cua m de do thi ham so y=2n[x+1] son song voi da' [d] : y=2x-3
xet ham so y=mx+2-m (1) a) ve do thi cua ham so ung voi m=-2;m=3 tren 1 mat phang toa do. tim toa do giao diem cua 2 do thi. b) chung minh rang khi m lay cac gia tri khac nhau thi do thi cua ham so (1) van luon di qua 1 diem co dinh thuoc paraboly=2x^2
xet ham so y=mx+2-m (1)
a) ve do thi cua ham so ung voi m=-2;m=3 tren 1 mat phang toa do. tim toa do giao diem cua 2 do thi.
b) chung minh rang khi m lay cac gia tri khac nhau thi do thi cua ham so (1) van luon di qua 1 diem co dinh thuoc paraboly=2x^2
tim gia tri nguyen cua m de hpt
\(3x-y=2m-1 va x+2y=3m-2\)
co nghiem (x;y) tm x^2 + 2y^2 = 9
tim tap xac dinh cua ham so
y=3nhan x binh phuong -x tren cho( gia tri tuyet doi cua x binh phuog -x) +(giá tri tuyet doi cua x-1)
y=(can x+2)+(can 3-2x) tren cho (gia tri tuyet doi cua x) -1
