Constants and Variables

Q.

How to check the solution of linear equation

Q. The variables in the equation x + xy = 15 is/are ______.

1. x
2. y
3. x and y
4. 15

Q. All the counting numbers along with the number 0 constitute the _________ numbers.

1. natural
2. rational
3. integer
4. whole

Q. Coefficient of 'b' in the expression $4b^2$ is

1. 4
2. b
3. 2
4. 4b

Q. Evaluate
${\left(53\right)}^{-2}\times {\left(53\right)}^{-14}$

1. ${(-53)}^{16}$
2. ${\left(53\right)}^{-16}$
3. ${\left(53\right)}^{16}$
4. ${\left(-53\right)}^{-16}$

Q.

Write all the terms of algebraic expression $x-$$\frac{1}{2}$.

Q. Find the value of (1 + 4) x ( 1 + 5).

1. 30
2. 15
3. 25
4. 29

Q. Find the value of (4 + 2) x (4 - 2)

1. 12
2. 14
3. 10
4. 16

Q. Find the value of (5 - 3) x (5 -3)

1. 6
2. 4
3. 2
4. 8

Q. If a = 1 and b = 0, then the value of
(a + b) x b is _______.

1. 0
2. 2
3. 3
4. 1

Q. The coefficient of y in the term $\frac{-y}{9}$ is .

1. -1
2. -3
3. $\frac{1}{3}$​
4. -$\frac{1}{9}$​

Q.

The value of $5^0\times 5^0\times 5^0\times 5^0\times \left(5^0-5^0\right)$ is ___________

Q.

Which of the following is an algebraic expression?

1. $\frac{x}{2}-3$

2. $4x+7$

3. $4x+13$

4. $x=10$

Q. Burst out algebraic expressions from the following.

1. x
2. y + 2
3. x + 4 = 3
4. y = mx + c
5. x = 1
6. y - 2x + 3
7. 45
8. 7 - 2x

Q. Out of the following algebraic expressions, is a binomial.

1. 9a + a
2. 3a × 2b × c
3. $6b^2+5a+c$
4. 5$(a^2+b)$