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Write the equation for the relationship between x and y. x=1,2,4 y= 0,-5,-15

1 Answer

1 vote

Answer:

y = -5x + 5

Explanation:

y = mx + b

y = __x + __

To write the equation we need the slope (m) and the y-intercept (b).

Slope:

The is the change in y over the change in x. As the y is decreeing by 5, the x is increasing by 1. This gives us the slope -5/1 = -5

y-intercept:

The y intercept is the point (0,b). It is when x equals zero. If we start at 1 and go back to 0. That mean that the y increase by 5, so the intercept is at the point (0,5) which makes the y-intercept 5.

y = -5x + 5

Helping in the name of Jesus.

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