Advertisements
Advertisements
प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| `m/3 = 2` | m = 0 |
Advertisements
उत्तर
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| `m/3 = 2` | m = 0 | No |
Explanation:
`m/2 = 2`
L.H.S = `m/3`
By putting m = 0,
L.H.S = `0/3` = 0 ≠ R.H.S
Hence, the equation is not satisfied.
APPEARS IN
संबंधित प्रश्न
Set up an equation in the following case:
In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees.)
Add the following:
\[2 x^2 - 3xy + y^2 \]
\[ - 7 x^2 - 5xy - 2 y^2 \]
4 x2 + xy - 6 y2
_______________
Simplify:
5a − [a2 − {2a(1 − a + 4a2) − 3a(a2 − 5a − 3)}] −8a
Simplify:
xy − [yz − zx − {yx − (3y − xz) − (xy − zy)}]
Solve the following equation by the trial-and-error method: 11 + x = 19
Solve the following equation by the trial-and-error method: 2y + 4 = 3y
Solve the following equation and verify the answer:
`2x-1/2=3`
Answer the following:
Take Sarita’s present age to be y years
- What will be her age 5 years from now?
- What was her age 3 years back?
- Sarita’s grandfather is 6 times her age. What is the age of her grandfather?
- Grandmother is 2 years younger than grandfather. What is grandmother’s age?
- Sarita’s father’s age is 5 years more than 3 times Sarita’s age. What is her father’s age?
Meena, Beena and Leena are climbing the steps to the hill top. Meena is at step s, Beena is 8 steps ahead and Leena 7 steps behind. Where are Beena and Meena? The total number of steps to the hill top is 10 less than 4 times what Meena has reached. Express the total number of steps using s.
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
(t − 7) > 5
