is y= -3x+5 a vertical line that passes throught the point (5, -3)?

is y= 5x-3 a vertical line that passes throught the point (5, -3)

Respuesta :

Step-by-step explanation:

A vertical line has an undefined slope, and has a standard form, x = a, where the x-intercept is (a, 0).

The linear equations  y = - 3x+5 and  y = 5x - 3 are not vertical lines, because they both have defined slopes:

The slope of y = -3x + 5 is -3.

The slope of y = 5x - 3 is 5.    

Also, neither one of the given equations pass through the point, (5, -3). To see why, substitute (5, -3) into the given equations:

y = -3x + 5

-3 = -3(5) + 5

-3 = -15 + 5

-3 = -10  (False statement. Therefore, (5, -3) is not a solution).

y = 5x - 3

-3 = 5(5) - 3

-3 = 25 - 3

-3 = 22 (False statement. Therefore, (5, -3) is not a solution).

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