You must try to remove one of the unknown variables from the system by multiplying one in a way that when adding (or subtracting) one to another “makes it disappear” and so whatever value you get can be substituted back in to get the other unknown!
Which of the following inequalities matches the graph?
2 answers:
Answer:
Step-by-step explanation:
we know that
The solution of the inequality is the shaded area to the left of the dashed line
In this problem the dashed line is equal to
therefore
the equation of the inequality is
All real numbers less than --------> interval (-∞,-3)
see the attached figure to better understand the problem
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