Practice30 Create account

For the pair $x - 2 y = 0$ and $3 x + 4 y = 20$ , find the $y$ -coordinate of the point where the graphs meet.

Class 10Graphical MethodAlgebra — Systems of Equations

A1
B3
C2
D4

Step-by-Step Solution

From

x - 2 y = 0, x = 2 y

. Substitute:

3 (2 y) + 4 y = 20, 10 y = 20, y = 2

(and

x = 4

).

Answer: C) 2

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Graphical Method practice questions

More Class 10 Graphical Method practice

The graph shows two lines crossing at point Q whose coordinates read (3, 1). A student…A father is three times as old as his son: f = 3s. The line f - s = 24 (age difference…Two lines y = 1/2x + 2 and y = -x + 8 are drawn on a graph. Find the x-coordinate where…The lines 2x + 3y = 12, the x-axis and the y-axis enclose a triangle. Work out the area…For what value of k will the pair x + 2y = 3 and 3x + ky = 9 have its two graphs…