y=-x
Draw a straight line with slope -1 passing through (0,0).
Or, plot (x,y) coordinates that satisfy the equation, and connect the dots.
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y equals x-4 plus 2 is the same as y = x-2. You just translate the graph of y=x, 2 units to the right, OR 2 down.
y=x+1 there for answer is 2
6
It is y = x + 4
You just have to plug in numbers for x and plot it on a graph. You can't have a square root of a negative number, so the graph starts at 0 and moves to the right. You'll have to use a calculator to get the decimal approximation for some of y values. x=0, y=0 x=1, y=1 x=2, y= square root of 2 x=3, y=square root of 3 x=4, y=2 x=5, y=square root of 5 etc...