andresfigue wrote:
Hi, i need hel with these two problems!!!
A). If ab different from 0 and points (-a,b) and (-b,a) are in the same quadrant of the xy-plane, is point (-x,y) in the same quadrant?
1)xy>0
2)ax>0
B).In the xy coordinate plane, line L and line K intersect at the point (4,3). Is the product of their slopes negative?
1).The product of the x-intersecets of lines L and K is posstive
2). The product of the y-intersecets of lines L and K is negative
OPEN DISCUSSION OF Q#1 IS HERE: https://gmatclub.com/forum/if-ab-0-and- ... 26039.html
OPEN DISCUSSION OF Q#1 IS HERE: https://gmatclub.com/forum/in-the-xy-co ... 93771.html
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