Geometryhard · Past Paper
The distance between the lines 3x + 4y = 9 and 6x + 8y = 15 is:
A3/10
B6/5
C3/5
D0.3
✓ Correct Answer: A — 3/10
Rewrite second as 3x + 4y = 7.5. Distance = |c1 - c2| / sqrt(A^2 + B^2) = |9 - 7.5| / 5 = 1.5 / 5 = 0.3 or 3/10.
Share this question
More from Geometry
- The Euler Line passes through which of the following three points?
- In a cyclic quadrilateral ABCD, side AB is the diameter. If angle ADC = 130 degrees, find angle BAC.
- In the figure, if chord AB is parallel to tangent at C, then triangle ABC is:
- The length of a transverse common tangent to two circles of radii 8 cm and 2 cm with centers 13 cm apart is:
- The point (0, -4) lies on which axis?