Answer:
for question no. 8 there is a formula in coordinate geometry which i don't remembered .
but can help in solving question no. 9
solution for 9
it is given that values varies directly that means
X1 = X2
Y1 Y2 we have to find Y2
i.e. 9/5.4= -10/Y2
or Y2 × 9 = 5.4 × -10
Y2 = -54/9
Y2 = -5
Step-by-step explanation:
hope it helped u buddy ; )
