Given a line with slope of 5 and y-intercept of -1, which of the ordered pairs given below would NOT be on the line? O (4.18)
(3, 14)
O (0-1)
O (2.9)

The point (4, 18) is not lies on the given line.

First option is correct.

The equation of line in slope intercept form is,

Where m is slope and c is y intercept.

Given that, m = 5 and c = -1

Substitute above values

Equation of line is,

Substitute first option (4, 18) in equation of line.

                     , which is invalid equation.

Hence, point (4, 18) is not lies on the given line.

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(4, 18)

Step-by-step explanation:

We can just pluck the x values into the equation: y = 5x -1 to see if the y values fit.

1. y = 5(4) - 1

     = 20 - 1

     = 19 (Nope, 18 is not 19)

2. y = 5(3) - 1

      = 15 - 1

      = 14 (Yep, same as option)

3. y = 5(0) - 1

      = 0-1

      = -1 (Yep, same as option)

4. y = 5(2) - 1

      = 10 - 1

      = 9 (Yep, same as option)

what? ?

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step-by-step explanation: