I. x2+ 13x + 42 = 0 => x2+ 7x + 6x + 42 = 0 => x(x + 7) + 6(x + 7) = 0 => (x + 7) (x + 6) = 0 => x = -7, -6 II. y² + 13y + 40 = 0 => y2+ 8y + 5y + 40 = 0 => y(y + 8) + 5(y + 8) = 0 => (y + 8) (y + 5) = 0 => y = -8, -5 Hence, the relationship cannot be established between x and y.
I. x − √2401 = 0
II. y2 − 2401 = 0
I. 117x² + 250x + 117 = 0
II. 54y² -123y + 65 = 0
I. 8x2- 2x – 15 = 0
II. 12y2- 17y – 40 = 0
Quantity I: The price of rice is decreased by 30%, by how much % the consumption is increase so that the expenditure will decreased by 10%?
Quant...
I. 2x2- 15x + 25 = 0
II. 3y2- 10y + 8 = 0
One of the roots of equation bp2 — (9b+3)p + 64 = 0 is 8, Determine the others root.
I. 2y2– 19y + 35 = 0
II. 4x2– 16x + 15 = 0
I. (y – 5)2 – 9 = 0
II. x2 – 3x + 2 = 0
I: x2 + 31x + 228 = 0
II: y2 + 3y – 108 = 0
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0
