Question

Please answer the question as soon as possible....

Answer 1

Answer:

m : n = 2 : 5

Point of Division = (0, -6/7)

Step-by-step explanation:

Let the ratio be m : n

In y-axis, the value of x is always 0.

∴ 0          = [(m × 10) + (n × -4)] ÷ [m + n]

⇒ 0         = 10m + (-4n)

⇒ 4n       = 10m

⇒ [m/n]   = [4/10]

⇒ [m : n] = [2 : 5]               ←ANSWER

Let the point of division be (0 , y)            [∵In y-axis, x is always 0.]

y = [(2 × 12) + (5 × -6)] ÷ [2 + 5]

y = [24 + (-30)] ÷ 7

y = -6/7                   ←ANSWER

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