Respuesta :

Answer:  y = -4x + 5

Step-by-step explanation:

First, the y-intercept b is 5 (line passes through 0,5) second, the slope m is -4 (definition of gradient). So,

y = mx + b (equation of a line where slope = m and y-intercept = b

substitute in what you know

y = -4x + 5

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