Which points lie in Quadrant III? Choose all answers that are correct. A (–8, –2) B(–5, 4) C(–3, –9) D (4, –1) E (7, 0)
2 answers:
Answer:
The points A (-8, -2) and C(-3, -9) are in the quadrant III.
Step-by-step explanation:
The cartesian plane is divided into four sections named quadrants, the four quadrants are organized by an opposite direction to the hands of the clock (you can see it in the attachment).
Therefore, each quadrant has a characteristic on the sign of its numbers, so:
• The quadrant I has the characteristic that both numbers are positive.
• The quadrant II has the characteristic that the number that represents its location in X is negative and the number that represents it location in Y is positive.
• The quadrant III has the characteristic that both numbers are negative.
• The quadrant IV has the characteristic that the number that represents its location in X is positive and the number that represents it location in Y is negative.
Having in account the information, we can classified the points and be sure that the A and the C are in the quadrant III, because they are the only ones in which their both numbers are negative.
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For this problem, you would have to use a system of equations. Hope this helps!
Answer:
x=11, y=8/3
Step-by-step explanation:
Consider quadrilateral LMNO. If this quadrilateral MUST BE a parallelogram, then
LM=NO
and
LO=MN
Thus,
Solve this system of two equations. From the first equation:
Substitute it into the second equation:
