Respuesta :
Answer:
Y= 4x +y1-4x1
4 represent the slope m
+Y1 - 4x1 represent the intercept b
Step-by-step explanation:
Formula for the equation of the linear function
(Y-y1)/(x-x1) = m
We will transform it into the equation form
Y= mx + b
Where m = slope=4
b = intercept
(Y-y1)/(x-x1) = m
(Y-y1)/(x-x1) = 4
(Y-y1)= 4(x-x1)
Y-y1= 4x -4x1
Y= 4x +y1-4x1
4 represent the slope m
+Y1 - 4x1 represent the intercept b
An equation for the family of linear functions with slope 4 is; y = 4x +b
Equation of a straight line
The equation of a line can be determined by means of the slope as follows;
- slope,m = (y-y1)/(x-x1)
Therefore, for this scenario;
- Slope,m = 4 = (y-y1)/(x-x1)
By Cross-product, we have;
- 4x - 4x1 = y -y1
Since, the y-intercept, b is the value of y for which x= 0.
Hence;
- 4x - 0 = y-b
- y = 4x +b
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