# Test: Functions II - Normal

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Question 1:   Find the parallel function to $y=x$
$y=\frac{1}{2}x$
$y=-x$
$y=2x$
$y=x+1$
Question 2:   Find the parallel function to $y=-\frac{1}{2}x+5$
$y=-2x+1$
$y=2x+3$
$y=-\frac{1}{2}x-1$
$y=\frac{1}{2}x+2$
Question 3:   Find the perpendicular function to: $y=2x$
$y=-\frac{1}{2}x+3$
$y=\frac{1}{2}x+1$
$y=2x-4$
$y=-2x+2$
Question 4:   Find the perpendicular line to $y=\frac{1}{3}x+1$
$y=-\frac{1}{3}x+1$
$y=3x-4$
$y=-3x-1$
$y=\frac{1}{3}x+2$
Question 5:   Find the function that passes through points: $A\left(1,2\right)$ and $B\left(3,4\right)$
$y=x+2$
$y=3x+4$
$y=x-2$
$y=x+1$
Question 6:   Find the function that passes through points: $A\left(-2,0\right)$ and $B\left(0,5\right)$
$y=2x+5$
$y=-x+7$
$y=-2x+5$
$y=2.5x+5$
Question 7:   Find the equation of a straight line going through the point $A\left(0,5\right)$ and the gradient equal to $\frac{1}{2}$
$y=5$
$y=x+5$
$y=\frac{1}{2}x+5$
$y=2x+5$
Question 8:   Find the gradient of a straight line going through the points $A\left(3,0\right)$ and $B\left(0,-4\right)$
$1\frac{1}{3}$
$0$
$3$
$1$
Question 9:   Find the equation of a straight line going through the point $A\left(0,7\right)$ and the gradient equal to $-3$
$y=-3x-7$
$y=3x-7$
$y=-3x+7$
$y=3x+7$
Question 10:   Find the gradient of a straight line that is going through the point $A\left(1,1\right)$ and the origin
$2$
$1$
$0$
$-1$