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Zolol [24]
2 years ago
8

Huuuurrry plllzzzzzz. Determine the equation of the line that passes through the given points (2,6) and (4,16)

Mathematics
1 answer:
satela [25.4K]2 years ago
8 0
<h2>Linear Equations</h2>

Linear equations are typically organized in slope-intercept form:

y=mx+b

  • <em>m</em> is the slope of the line
  • <em>b</em> is the y-intercept (the value of <em>y</em> when the line passes through the y-axis)

To find linear equations in slope-intercept form:

  1. Determine the slope
  2. Plug the slope into the general form
  3. Determine the y-intercept by isolating <em>b</em>
  4. Plug the <em>b</em> back into the equation

<h2>Solving the Question</h2>

We're given:

  • The line passes through the points (2,6) and (4,16)

First, determine the slope of the line.

m=\dfrac{y_2-y_1}{x_2-x_1} where (x_1,y_1) and (x_2,y_2) are points that fall on the line

⇒ Plug in the given points (2,6) and (4,16):

m=\dfrac{16-6}{4-2}\\\\m=\dfrac{10}{2}\\\\m=5

⇒ Therefore, the slope of the line is 5. Plug this back into the general form:

y=5x+b

Now, determine the y-intercept.

y=5x+b

⇒ Plug in one of the given points:

6=5(2)+b\\6=10+b\\b=-4

⇒ Therefore, the y-intercept is -4. Plug this back into our original equation:

y=5x-4

<h2>Answer</h2>

y=5x-4

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