Question

The length of the chord 4y = 3x+8 intercepted by y² = 8x is

• A. 80/9
• B. 40/9
• C. 20/9
• D. 70/9

Answer 1

Answer: (A)

80/9

Answer 2

Length of the chord cut of by the parabola y² = 4ax on the line is $\frac { 4 } { \mathrm {~m} ^ { 2 } } \sqrt { \mathrm { a } ^ { 2 } - \mathrm { amc } } \cdot \sqrt { 1 + \mathrm { m } ^ { 2 } }$ .

**∴**Required length of chord

= = 80/9