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!!!!!
Ve do do thi cua cac ham so Y = x + 1 va Y = -x+3 tren cung mot mat phang toa do.
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
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 y=1/2x va y = -1/2x a) ve tren cung mat phang toa do do thi cua 2 ham so tren b) ham so nao dong bien ham so nao nghich bien
Tìm GTNN của các biểu thức sau :
\(x^2+x+8-4\sqrt{x^2+x+1}\)
\(\left(x+2y+1\right)^2+\left(3x+6y+13\right)^2\)
Giúp mình với
Thanks nhìu ạ :))
a) ve do thi ham so y = x+1 va y= -x+3 tren cung mot mat phang toa do
b) hai duong thang y=x+1 va y= -x+3 cat nhau tai C va cat truc Ox theo thu tu tai A va B. tim toa do cua cac diem A, B, C.
CAC BAN LAM GIUP MINH NHA!
Cac anh cac chi oi giup em voi, gap lam.Cho ham so y=x+1 co do thi la (d) va ham so y= -x+3 co do thi la (d' )
a) Ve (d) va (d' ) tren cung mot mat phang toa do
b) Hai duong thang (d) va (d' ) cat nhau tai C va cat truc Ox theo thu tu tai A va B tim toa do cac diem A,B,C (Tim toa do diem C bang phuong phap dai so)
c) tinh chu vi va dien tich tam giac ABC (voi don vi do tren cac truc toa do la cm)
d) tinh goc tao boi duong thang y=x+1 voi truc Ox
Cam on nhieu.