# Test: Functions II - Normal

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Question 1:   Find the parallel function to $y=x$
$y=2x$
$y=\frac{1}{2}x$
$y=x+1$
$y=-x$
Question 2:   Find the parallel function to $y=-\frac{1}{2}x+5$
$y=-\frac{1}{2}x-1$
$y=-2x+1$
$y=2x+3$
$y=\frac{1}{2}x+2$
Question 3:   Find the perpendicular function to: $y=2x$
$y=\frac{1}{2}x+1$
$y=-\frac{1}{2}x+3$
$y=2x-4$
$y=-2x+2$
Question 4:   Find the perpendicular line to $y=\frac{1}{3}x+1$
$y=3x-4$
$y=-3x-1$
$y=\frac{1}{3}x+2$
$y=-\frac{1}{3}x+1$
Question 5:   Find the function that passes through points: $A\left(1,2\right)$ and $B\left(3,4\right)$
$y=3x+4$
$y=x+2$
$y=x+1$
$y=x-2$
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