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A student finds the slope of a line between (8, 17) and (1,4) she writes 17-14/1-8 what mistake did she make? A.) she used Y-values where she should've used x-values. B.) She should have added the values, not subtracted them. C.) she mixed up the x and y-values D.) she did not keep the order of the points the same in the numerator and the denominator

Respuesta :

XQ16
The answer is D. She should have used 8-1 as the denominator since she used 17-14 as the numerator.
calculista

Answer:

The answer is the option D.) she did not keep the order of the points the same in the numerator and the denominator

Step-by-step explanation:

we know that


The formula to calculate the slope between two points is equal to


[tex]m=\frac{y2-y1}{x2-x1}[/tex]


Let

[tex]A(8,17)\ B(1,14)[/tex]


Substitute the values


[tex]m=\frac{14-17}{1-8}[/tex]      

[tex]m=\frac{-3}{-7}[/tex]


[tex]m=\frac{3}{7}[/tex]


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