Answer:
None of the expressions are equivalent, but there may be a typo. I that is the case, the first answer is most likely correct(it should be 3x²+x-4).
Step-by-step explanation:
Answer: m = 7
Step-by-step explanation: This equation is written in slope-intercept form which is the same thing as y = mx + b form where <em>m </em>represents the slope of the line and <em>b</em> represents the y-intercept.
Now looking at this equation, we can see that <em>m</em> or the slope of the line is 7.
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