3.Complete the following tables assuming that r is in direct variation

1.	3.Complete the following tables assuming that r is in direct variation with y:152651804 8 12 15 20 25603.5 4.5 6.59.25
Answer» (a)when x=60,y=4 so x=15ywhen x=180, y=12 so x=15yso when y=8, x=158=120when y=15, x=1515=225when y=20, x=1520=300when y=25, x=1525=375 (b)when x=9,y=4.5 so x=2yso when y=3.5, x=23.5=7when y=6.5, x=26.5=13when x=15, y=15/2=7.5when y=9.25, x=2*9.25=18.5when x=26.5, y=26.5/2=13.25

3.Complete the following tables assuming that r is in direct variation with y:152651804 8 12 15 20 25603.5 4.5 6.59.25

Answer»

(a)when x=60,y=4 so x=15ywhen x=180, y=12 so x=15yso when y=8, x=15*8=120when y=15, x=15*15=225when y=20, x=15*20=300when y=25, x=15*25=375

(b)when x=9,y=4.5 so x=2yso when y=3.5, x=2*3.5=7when y=6.5, x=2*6.5=13when x=15, y=15/2=7.5when y=9.25, x=2*9.25=18.5when x=26.5, y=26.5/2=13.25