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ryzh [129]
3 years ago
8

I am so confused !!!!

Mathematics
1 answer:
krok68 [10]3 years ago
6 0
You can do these questions by substitution
for the example1
y=3x+1
you need to find a number which is suitable for x and y
when x=1
y=3(1)+1
y=4
so (1,4) is on located on the equation
when x= -1
y=3(-1)+1
y=-2
so(-1,-2) is located on the equation
and now use a ruler to line up (1,4)and(-1,-2)
and that is the equation
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