Algebraic Expression

Q.

Give me some examples of use of sets in daily life?

Q.

What is the opposite of derivatives in calculus?

Q. Write an algebraic expression for the statement '6 less than the quotient of x divided by 3 equals 2'.

1. $6-\frac{x}{3}=2$
2. $\frac{x}{3}-6=2$
3. $\frac{3}{x}-6=2$
4. $3x-6=2$

Q. Which of the following is a combination of variables and constants conneted with a mathematical operator(s)?

1. Algebraic Variable
2. Algebraic expression
3. Algebraic coefficient
4. Algebraic inverse

Q.

Question 5(iii)

Give expression for the following case.

5 times y to which 3 is added.

Q.

If 5 is added to three times the product of two numbers m and n. The expression will be

1. m + 3n + 5

2. 5m + 6n

3. $(mn+5)\times 3$

4. 5 + 3mn

Q.

Question 4(c) :

Fill in the boxes:

$\frac{1}{2}-\square =\frac{1}{6}$

Q. Which of the following are algebraic expressions?

1. $3x+6$
2. $4$
3. $2x$
4. $\frac{2}{x}=1$

Q.

Express $49$ as the sum of $7$ odd numbers.

Q.

Write an algebraic expression for the statement 1 added to twice a number

Q.

Write the algebraic expression for the given sentence.

$a$ multiplied by $5$ and added to $\frac{6}{5}$.

Q.

If $f(2x+3y,2x-7y)=20x,$ then $f(x,y)$ equals

1. $7x–3y$

2. $7x+3y$

3. $3x–7y$

4. $3x+7y$

Q.

An algebraic expression consists of

1. Constants

2. Arithmetic operators

3. Variables

4. All of these

Q.

Question 91

Translate the given algebraic expression into words.

4b - 3

Q.

Find and correct the errors in the following mathematical statements: $2x+3y=5xy$

Q.

The coefficient of $y^2$ in $-10abx{y}^2$ is _________.

Q.

Find the value of expression:
2a - 2b - 10 + 4a + b, if a = 5 and b = 1.

1. -1

2. 19

3. -19

4. 20

Q.

Three consecutive odd integers are such that when they are taken in increasing order and multiplied by 3, 4 and 5 respectively, they add up to 112. Find these numbers. [2 MARKS]

Q.

The product of two terms with like signs is a ____ term.

Q.

Write the expressions for the following statements.

The quotient of $y$ divided by $x$ subtracted from $2$

Q.

What should be the value of a, if the value of $2x^2+6a–5x+10$ is $25$, when $x=1$?

1. 6

2. 3

3. -3

4. -6

Q.

$2+3x$ is an algebraic expression.

1. True

2. False

Q.

The coefficient of $ab$ in $2a^{3}b$ and $2a^2{b}^4$ respectively are:

1. $2$ and $2$

2. $2a^2$ and $2a{b}^3$

3. $2a{b}^3$ and $2a^2$

4. $2a^{2}b$ and $2a{b}^3$

Q. How to add and subtract algebraic expressions?

Q.

Write the following into algebraic language.

The product of $p$ and $q$subtracted from the sum of $x$ and $y$.

Q.

There are $x$ pencils each in $y$ boxes. How many pencils are there in all?

Q. Simplify the expression 2(a + ab + 3) - ab and find its value when a = 5 and b = - 3.

1. a + ab + 6 and 1
2. 2a + 2ab + 6 and - 1
3. 2a + ab + 6 and - 1
4. 2a + ab + 6 and 1

Q.

From the sum of $3x-y+11$ and $-y-11$, subtract $3x-y-11$.

Q.

${(4pq+3q)}^2-{(4pq-3q)}^2=$ ___.

1. 44p

2. 44q

3. 48pq²

4. 48q

Q. The sum of two consecutive odd numbers is 36. The smaller one is

(a) 15
(b) 17
(c) 19
(d) 13