Mathematics
Grade9
Easy
Question
Find a value for k so that the line through (2, k) and (7, 2) is parallel to the line with equation y = 2x + 3.
- 9
- -8
- 7
- -10
Hint:
To find the value of k. we will first find the slope using the given coordinates . Also find the slope of the parallel line with the given equation, Now, we know that as lines are parallel so the slopes will be equal . So, after equating the value of slope we will get the value of k.
The correct answer is: -8
Line passes through the point (2, k) and (7, 2) is parallel to the line with equation y = 2x + 3.
Slope of the line is 
slope of the parallel line is 2.
So,
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