Respuesta :

Answer:

(0, - 1 )

Step-by-step explanation:

To find the y- intercept, let x = 0 in the equation

y = 0² + 0 - 1 = 0 + 0 - 1 = - 1 ← y- intercept

with coordinates (0, - 1 )

Answer:

  • (0,-1).

Step-by-step explanation:

Simplification:

  • y = 2x + x - 1
  • => y = 3x - 1

Let's compare this equation with the formula.

  • => (y = 3x - 1) = (y = mx + b)
  • => b = -1

Since the y-intercept always lies on the 0 in the x-axis, it's x-coordinate will be 0. The y-intercept basically means the y-axis. Hence, the coordinate is (0,-1)

Hence, the coordinate of the y-intercept is (0,-1).

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