Question

if a=5 and b=-8 then show that in which quadrant following points will lie
a) (8a, -3b)
b) (3a+b, -7a)
c) (8b+5a, -9a)​

Answer 1

Answer:

if a = 5 & b=8

therefore,(a) = (8×5),(-3×8)

=40,-24

(b) = 3(5+8),(-7×5)

=3×13,-35

=39,-35

(c) = {(8×8)+(5×5)},(-9×5)

=(64+25),-45

=89,-45