Sporządź wykresy równań ( funkcji liniowych) POTRZEBUJĘ NA TERAZ ;*
a) y=-x-1
b) y=3x+2
c) y=x-3
zadanie w załączniku
y= -x -1 x 1 -1 2 -2
--------------------------------
y -2 0 -3 1
y= -1 -1 y=-(-1) -1 y= -2 -1 y= -2 -1
y= -2 y= 1-1 y= -3 y= -(-2) -1
y=0 y= 2-1
y=1
y= 3x +2 x -1 0 -1 1
--------------------
y -1 2 -4 5
y = 3 * (-1) +2 y= 3*0 +2 y= 3 * (-2) +2 y= 3*1 +2
y= -3 +2 y= 0 +2 y= -6 +2 y= 3+2
y=5 y= 2 y= -4 y= 5
y= x-3 x 1 2 3 4
---------------
y -2 -1 0 1
y= 1-3 y= 2-3 y= 3-3 y= 4-3
y=-2 y= -1 y=0 y=1
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zadanie w załączniku
y= -x -1 x 1 -1 2 -2
--------------------------------
y -2 0 -3 1
y= -1 -1 y=-(-1) -1 y= -2 -1 y= -2 -1
y= -2 y= 1-1 y= -3 y= -(-2) -1
y=0 y= 2-1
y=1
y= 3x +2 x -1 0 -1 1
--------------------
y -1 2 -4 5
y = 3 * (-1) +2 y= 3*0 +2 y= 3 * (-2) +2 y= 3*1 +2
y= -3 +2 y= 0 +2 y= -6 +2 y= 3+2
y=5 y= 2 y= -4 y= 5
y= x-3 x 1 2 3 4
---------------
y -2 -1 0 1
y= 1-3 y= 2-3 y= 3-3 y= 4-3
y=-2 y= -1 y=0 y=1