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write the equation of the line that passes through the points (1, 7) and (5, 15) using function notation.
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5 votes
write the equation of the line that passes through the points (1, 7) and (5, 15) using function notation.

User Daniel Langr
by
9.4k points

1 Answer

6 votes
y=mx+c
Gradient, m=
(change in y)/(change in x)
m=
(15-7)/(5-1)
m=
(8)/(4)
m=2
y=mx+c
y=2x+c
replacing for x and y using point (1,7)
7=2(1)+c
7=2+c
c=5
y=2x+5
User Taptronic
by
8.7k points
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