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statuscvo [17]
3 years ago
15

What is the equation of the line containing points 7,3 14,6 and 21,9

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
8 0
Let's present a solution for the generic case.
The equation will be of the form y=ax+b

If (7,3) is on it, then 3=7a+b
If (14,6) is on it, then 6=14a+b

Now we have a system we can solve.

3=7a+b => b = 3-7a
6=14a + 3-7a => 3 = 7a => a=3/7

b  = 3-7*3/7 = 0

So y = (3/7)x is the equation.
Alex3 years ago
7 0

Answer:3/7x


Step-by-step explanation:


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