Advertisements
Advertisements
рдкреНрд░рд╢реНрди
Find the value of ЁЭЬЖ, if x = −ЁЭЬЖ and y =`5/2`
is a solution of the equation x + 4y – 7 = 0.
рдЙрддреНрддрд░
Given that
x + 4 y - 7 = 0
It is given that x = -λ and y = `5/2 ` is a solution of the equation x + 4y - 7 = 0
∴ `- 1 + 4 xx 5/2 - 7 = 0 `
⇒ - λ + 10 - 7 = 0
⇒ - λ = - 3
⇒ λ = 3
APPEARS IN
рд╕рдВрдмрдВрдзрд┐рдд рдкреНрд░рд╢реНрди
Write four solutions for the following equation:
x = 4y
Check whether the following is the solution of the equation x – 2y = 4 or not:
`(sqrt2", "4sqrt2)`
Express the following linear equations in the form ax + by + c = 0 and indicate the values of
a, b and c in each case:
y – 5 = 0
Express the following linear equations in the form ax + by + c = 0 and indicate the values of
a, b and c in each case:
y = `x / 2`
Write the following as an equation in two variable :
5x = `7/2`
Write two solutions of the form x = 0, y = a and x = b, y = 0 for the following equation :
5x – 2y = 10
Write two solutions of the form x = 0, y = a and x = b, y = 0 for the following equation :
−4x + 3y = 12
Give the equations of two lines passing through (3, 12). How many more such lines are there,
and why?
If we multiply or divide both sides of a linear equation with a non-zero number, then the solution of the linear equation ______.
For what value of c, the linear equation 2x + cy = 8 has equal values of x and y for its solution.
