A line has a slope of 2 and contains the points (1, 3) and (2, y). The value of y is

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04-02-2016
Mathematics

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A line has a slope of 2 and contains the points (1, 3) and (2, y). The value of y is

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Leader Leader · Answer 1 · 2016-02-04T16:49:41+01:00

Leader Leader

04-02-2016

[tex]\sf{Slope =\frac{y_2-y_1}{x_2-x-1} [/tex]

Plug in what we were given:

[tex]2 = \frac{y-3}{2-1}[/tex]

Simplify the denominator:

[tex]2 = \frac{y-3}{1}[/tex]

[tex]2 = y-3[/tex]

Add 3 on both sides:

[tex]\boxed{\bf{y=5}}[/tex]

The value of y is 5.

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