The points (6, 0) and (2, v) fall on a line with a slope of 2. What is the value of v?
Understand the Problem
The question is asking for the value of 'v' in the coordinates of a point on a line with a specified slope. To find this, we can use the formula for the slope between two points and solve for 'v'.
Answer
The value of \( v \) is \( -8 \).
Answer for screen readers
The value of ( v ) is ( -8 ).
Steps to Solve
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Identify the points and slope The points given are ( (6, 0) ) and ( (2, v) ). The slope of the line is given as ( 2 ).
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Use the slope formula The formula for slope ( m ) between two points ( (x_1, y_1) ) and ( (x_2, y_2) ) is:
$$ m = \frac{y_2 - y_1}{x_2 - x_1} $$
Substituting the given values:
$$ 2 = \frac{v - 0}{2 - 6} $$
- Simplify the equation This simplifies to:
$$ 2 = \frac{v}{-4} $$
- Solve for ( v ) Multiply both sides by ( -4 ):
$$ v = 2 \times -4 $$
Which simplifies to:
$$ v = -8 $$
The value of ( v ) is ( -8 ).
More Information
In this problem, we used the concept of slope to find the missing coordinate on a line. The slope represents the rate of change between two points, and it helps us determine the relationship between the coordinates.
Tips
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Confusing the order of points in the slope formula can lead to incorrect results. Always make sure the points are in the correct position: ( (x_1, y_1) ) and ( (x_2, y_2) ).
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Forgetting to multiply both sides of the equation by the denominator can cause errors in finding ( v ).
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