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doglover1624
16.01.2020 •
Mathematics
What is the y-intercept of theline that passes through the points (2, 5) and (3, 6)
(0, -7)
(0, -3)
(0, 1)
(0, 3)
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Ответ:
The y-intercept is ( 0 , 3 ) .
Step-by-step explanation:
Given as :
The points are
Let The slope of line with these points = m
So, Slope of line =![\dfrac{y_2 - y_1}{x_2 - x_1}](/tpl/images/0456/9112/a1fb9.png)
i.e m =![\dfrac{y_2 - y_1}{x_2 - x_1}](/tpl/images/0456/9112/a1fb9.png)
Or, m =![\dfrac{6 - 5}{3 - 2}](/tpl/images/0456/9112/dfa21.png)
Or, m =![\dfrac{1}{1}](/tpl/images/0456/9112/2ac35.png)
∴ m = 1
So, The slope = m = 1
Now, Equation of line with points
,
and slope m can be written as
y - tex]y_1[/tex] = m × ( x - tex]x_1[/tex] )
i.e y - 5 = 1 × ( x - 2 )
Or, y - 5 = x - 2
Or, y = x - 2 + 5
So, The equation of line is
y = x + 3
Again
For y - intercept
Put x = 0 in the line equation
∵ y = x + 3
Or, y = 0 + 3
∴ y = 3
So, The y - intercept = ( x , y ) = ( 0 , 3 )
Hence, The y-intercept is ( 0 , 3 ) . Answer
Ответ: