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kodGreya [7K]
3 years ago
7

A line passes through (4, 5) and (8, 9). Which equation best represents the line?

Mathematics
2 answers:
ioda3 years ago
8 0
Equation A best represents the equation
11111nata11111 [884]3 years ago
5 0
From the question, we know that
(x₁,y₁) = (4,5)
(x₂,y₂) = (8,9)

Find the slope of the line with the formula of slope

m = \dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

Input the numbers
m = \cfrac{9-5}{8-4}
m = 4/4
m = 1
The slope of the line is 1

Using this formula, determine the line equation
y - y₁ = m(x - x₁)

Input the numbers
y - 5 = 1(x - 4)
y - 5 = x - 4
y = x - 4 + 5
y = x + 1
The correct answer is first option
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