book Maths Puzzle Numerical Ability

squre x-2-8=0 graphying my solution

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book Other Question

Find an equation for the line with the given properties:

Passing thru the point (-4,-1), parallel to the line x - 4y = 2

I wrote x - 4y = 2 in slope intercept form, as y = -1/2x + 1/4

is this correct?
f(x) = 3x^+2x-4