Advertisements
Advertisements
Question
Check whether the following is the solution of the equation x – 2y = 4 or not:
(0, 2)
Solution
(0, 2)
Putting x = 0 and y = 2 in the L.H.S of the given equation,
x − 2y = 0 − 2 × 2
= − 4 ≠ 4
L.H.S ≠ R.H.S
Therefore, (0, 2) is not a solution of this equation.
APPEARS IN
RELATED QUESTIONS
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:
4 = 3x
Write the following as an equation in two variable :
2x = −3
Write the following as an equation in two variable :
y = 3
Check which of the following are solutions of the equation 2x – y = 6 and which are not :
(1) (3, 0) (2) (0, 6) (3) (2, −2) (4) (√3, 0 ) (5) `(1/2,-5)`
Give the equations of two lines passing through (3, 12). How many more such lines are there,
and why?
A number is 27 more than the number obtained by reversing its digits. If its unit’s and ten’s
digit are x and y respectively, write the linear equation representing the above statement.
The linear equation 2x – 5y = 7 has ______.
The linear equation that converts Fahrenheit (F) to Celsius (C) is given by the relation C = `(5F - 160)/9`. What is the numerical value of the temperature which is same in both the scales?
