a,ve do thi cac ham so y=\(\frac{-3}{2}\)x va y=\(\frac{2}{3}\)x tren cung 1 he truc toa do
b,tren do thi ham so y=\(\frac{-3}{2}\)x lay diem A co hoanh do la 2.tren do thi ham so y=\(\frac{2}{3}\)x.Lay diem C co hoanh do la 3.do goc AOC,sau do bieu dien diem B tren mat phang toa do sao cho OABC la hinh vuong
cho hai ham so y=f(x)=|2x| va y=g(x)=3
a)ve tren cung mot he truc toa do Oxy do thi cua hai ham so do
b)dung do thi ham so tim cac gia tri cua x sao cho |2x|<3
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
ve do thi ham so sau cung 1 he truc oxy y=3x , y=-2x tinh dien tich tam giac tao boi 2 do thi ham so tren va duong thang y = 3/2
cho ham so y=-2*x
danh dau diem M tren do thi biet diem M co hoanh do bang 2.Tinh tung do
A. Danh dau hai diem c va d tren duong phan gia co ta do lan luot la -2,3 . Tim tung do cua diem a ,b
B. Danh dau hai diem c va d tren duong phan giac co tung do la luot la 1 va -4
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
Viết toa do cua diem A SAO CHO TRUC HOANH LA DUONG TRUNG TRUC CUA D THANG A;A1 BIET A(3;2)