Question

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Answer 1

For the line y = x-4 the two pints would be (0,-4) and (4,0)

When x = 1 y would be 1-4 = -3

The answers would be y = -3

To x = 4, y = 0

Answer 2

Answer:

X = 1, Y = -3

X = 4, Y = 0

Step-by-step explanation:

Using substitution method:

$y=x^{2} -4x\\y= x-4$

substitute in for y

$x^{2} -4x = x-4 \\x=4\\x=1$

Plug these in for $y= x-4$

$y=4-4\\y=1-4$

$y = 0\\y= -3$