Question

Need help on 8 and 9 please!!

Answer 1

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 ; )