Các câu hỏi tương tự
diem nao sau day thuoc do thi ham so y =\(-\frac{1}{3}x\)voi A(1;0) ; B(-1;-2) ; C(3;-1) ; D(1;\(\frac{1}{3}\))
Nhung diem nao sau day thuoc do thi cua ham so y =-3x , A=(-1/3;1) ;B(-1/3;-1) ;C(0;0)
cho ham so y= f(x) =6/x
tinh f(1) ; f(1.5) ;f(2) ;f(3) ;f(-2/3)
tim x biet y=3 ; y=-2
tim y biet 1<x>3 ; 1.5 be hon hoac bang x lon hon hoac bang 6
diem nao trong cac diem sau day khong thuoc do thi ham s
A(-1;-6 ) ; B(-0.5 ;-12 ) ;C(-0.5 ; -13 ) ; D(-1/3 ; -3 )
cho hàm số y=f(x)=x^2-2. co tat ca bao nhieu diem duoi day thuoc do thi ham so: A(0;-2), B(-1;-3), C(1;-3)
cho y=a-5/a (a khac 0) voi gt nao cua a thi y thuoc Z
lam chi tiet minh tick cho
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
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
cho ham so y=(2k+1).x
a/ tim k biet do thi di qua A(-1;1)
b/ ve do thi ham so nay
c/ cho B(xB;-10);C(-5;yC) thuoc do thi tim xB, yC
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