The hydraulic brake used in automobiles is a direct

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%?

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