SOLUTION: A line with a slope of 3 travels through the coordinates (5, a) and 2a, 7). Find the value of a.
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Question 1099792: A line with a slope of 3 travels through the coordinates (5, a) and 2a, 7). Find the value of a.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
Slope is rise (change in y value) divided by run (change in x value):
Plugging in known values:
—
Check: (7-(22/7)) / ((44/7)-5) = (49-22)/(44-35) = 27/9 = 3 (ok!)
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