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The equation of the line:

At x = -1, the value of y = 13

At x = 0, the value of y = 9

At x = 3, the value of y = -3

Step-by-step explanation:

Given the equation

solving for y

subtracting 4x to both sides

Therefore, the value of y is:

Now, solving x = -1, 0 and 3

substituting x = -1

substitute x = 0

substitute x = 3

Therefore,

at x = -1, the value of y = 13

at x = 0, the value of y = 9

at x = 3, the value of y = -3

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80