Since 'x' and 'y' both appear to the first power, this is a linear equation.
That means that the graph is a straight line, and it doesn't 'open'.
The line has a slope of -1, and it cuts the y-axis at y=9.
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Since 'x' and 'y' both appear to the first power, this is a linear equation,
meaning that its graph is a straight line, which doesn't 'open'.
The line has a slope of -1, and cuts the y-axis at y=9.
VV2-4x+4y-4=0
A parabola can open left, down, right, or left on a graph, if that's what you mean:\
Neither statement is true. The graph of the absolute value of a function which is always non-negative will be the same as that of the original function and this need not open in any direction. Also, the graph of y = abs[x*(x-1)*(x+2)] is not symmetrical so there is no coefficient which will determine a line of symmetry.
None of the following sets would.
If the inequality includes 'or equal' then use a solid dot [the value is included]. If it doesn't use 'or equal' then use the open dot.