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zepelin [54]
3 years ago
13

Write a rule for the linear function (-4)(16),(0)(0),(4)(-16),(8)(-32)

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
5 0
The linear rule should look like this y=a*x+b
As the function graph goes through the (0,0) point, the equation 0=a*0+b <=> b=0 must be true.
Now we only need to find a, using one of the points given. With (-4, 16):
16=-4*a <=> a=16/-4 <=> a= -4
So the rule looks the following way:
f(x)= -4*x 
andre [41]3 years ago
3 0
Y=-4x
where x is the first value and y the second value in each pair.
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