Question

23. On which of the following graphs does the point (1, - 1) lie? (A) 4x - 3y=1 (B) 4x + 3y = 1 (C) 4x + 3y = -1 (D) 4x – 3y = -1☺​

Answer 1

b or d i think

Equation of line from point (a,0) and (0,b)

y=a−b(x−a)

ay=−bx+ab

bx+ay=ab-----(1)

Point (1,1) lies on line (1)

b+a=ab

a1+b1=1

☆hope it helps☆

Answer 2

Answer:

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