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y-y1(x-x1) y=5kx+3 y=9k(x-x1) y=4x+b
y=kx-1(k≠0) y=kx+k+1(k≠0) y=kx-k+1(k≠0) y=kx+k-1(k≠0)
y=kx﹣1(k≠0) y=kx+k+1(k≠0) y=kx﹣k+1(k≠0) y=kx+k﹣1(k≠0)
3y-y1=x-x1 y=3kx+b-2 y-y1=k(x-x1) y=ax -4
y-y1=k(x-x1) y=5kx+3 y=9k(x-x1) y=4x+b
y=3kx y=2kx+b y-y 1=k(x-x 1) y=ax+b
y-y 1=k(x-x 1) y=5kx+3 y =9k(x-x 1) y=4x+b
(-2,0),则k的取值范围是() A.-2<k<2 -2<k<0 0<k<4 0<k<2
mx+y+m=0 mx+y﹣m=0 mx﹣y﹣1=0 mx﹣y﹣2=0
y-y1=k(x-x 1) y=kx+8 y=4kx y=ax+b