Is the expression 5(3m+2p)-4m equivalent to the expression 13p+11m-3p?Explain your answer.
2 answers:
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Answer:
The solution of this system is
(4). (6.0,5.4)
Step-by-step explanation:
First we have to find the equation of the line represented in the table; for that we have to find it's slope and it's y-intercept
and then write it in the following form:
The slope of the line we get from first two points:
thus we have
we find by putting the point
into the function:
Thus we have
Now we have to find where this line intersects with ; to do this we just substitute
with
:
<em>We have the x-coordinate of the intersection.</em>
We find the y-coordinate by substituting into
:
Thus the solution to the system is
which is option 4.