Question

which of the following is not true:
a linear function cannot always be graphed by using intercepts alone.

linear equation in two variables of the form x=a are not functions.
the graph of a linear function can have almost one x-intercept.
the graph of a linear equation in two variables is completely determined by two points on a graph.

Answer 1

Correct answer is
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not
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Answer 2

the graph of a linear function can have almost one x-intercept.

I believe it is this one because the function could be y=0 and then that would be just like the x axis. Then all of the points are x intercepts.