If f = {(-1, 0), (-2, 2), (-3, 4), (-4, 6), (-5, 8)}, what is the range?
1 answer:
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This is the simplest proportion i have seen.
This is how we do it:
= 
The answer surprisingly is obvious, z = 1
But we can still do cross multiplication
7z = 7
Divide by 7 to isolate z
7 and 7 cancels out
z = 1
This is how we do it:
The answer surprisingly is obvious, z = 1
But we can still do cross multiplication
7z = 7
Divide by 7 to isolate z
7 and 7 cancels out
z = 1