Types of Brackets

Q.

Write the expression for the following using brackets :

Forty five divided by three times the sum of three and two.

Q.

Write the expressions for the following using brackets :

Divide the difference of eighteen and six by four.

Q.

Give 1 real life application of a linear graph and explain it. [2 MARKS]

Q.

Write the following equations in statement forms:

$2\mathrm{x}+5=15$

Q. Find the value of x in the given expression.

1. 0.8
2. 800
3. 80
4. 8

Q. Find the value of 4x + [3y - {5z - (6z - 4y - 6x)}]

1. 10x-5y+z
2. -2x-5y+z
3. -2x-y+z
4. 10x-6y-9z

Q.

Question 72 (e)

Find the value of
$2\times 3\times 4÷2^0\times 3^0\times 4^0$

Q.

Write the given below expression using brackets:-

Eighteen divided by the product of two and three.

Q.

$-2(1-m^2)-4m^2-(2-m^2)$equals

1. $6m^2+6$

2. $-6m^2-6$

3. $6m^2+6$

4. $-6m^2+6$

Q. Mark (✓) against the correct answer
If (x : y) = 3 : 4, then (7x + 3y) : (7x − 3y) = ?

(a) 7 : 3
(b) 5 : 2
(c) 11 : 3
(d) 14 : 9

Q. If $\frac{9^n\times 3^2\times 3^n-(27{)}^n}{\left(3^3\right)\times 2^3}=\frac{1}{27}$, find the value of n.

Q.

$3a-[4a-\overline{3a-5b}-3\{2a-(3a-\overline{2a-3b})\left\}\right]$ equals

1. $-a-14b$

2. $11a-14b$

3. $5a+14b$

4. $-a+14b$

Q. If x : y = 6 : 11, find (8x − 3y) : (3x + 2y).

Q.

If $(a-2b)-(2b-a)$ = $x$, then $x$ is

1. $2(a-b)$

2. $a-2b$

3. $2(2a-b)$

4. $2(a-2b)$

Q. The domain of the function $f\left(x\right)=\sqrt{4x-3}+\sqrt{2x-6}$ is

1. $[3,\infty ]$
2. $[\frac{3}{4},\infty ]$
3. $[\frac{4}{3},\infty ]$
4. $[2,\infty ]$

Q.

$a^2-b^2+z^2+8x-4y$ = $a^2-\left(x\right)$. Then $x$ equals

1. $b^2+z^2-8x-4y$

2. $b^2+z^2-8x+4y$

3. $b^2-z^2-8x+4y$

4. $-b^2+z^2+8x-4y$

Q.

Give expression for the following statements:

Subtract $a$ from $b$ and then multiply the difference by $7$

Q. Using brackets, write a mathematical expression for each of the following :
Twelve divided by the sum of one and three.

Q. Place the last two terms of the following expressions in parentheses preceded by a minus sign: $3a-2b+4c-5$

Q. Find the approximate value of $(4.01{)}^3$.

Q. Using brackets, write a mathematical expression for each of the following :
Twenty divided by the difference of seven and two.

Q.

Use brackets to write a mathematical expression for the following statement.

Multiply $6$ with the sum of $9$ and $4$.

Q. Solve the following equations: $8^{x+1}={16}^{y+2}$ and, ${\left(\frac{1}{2}\right)}^{3+x}={\left(\frac{1}{4}\right)}^{3y}$

Q.

$-1[a-3\{b-4(a-\overline{b-8})+4a\}+10]$ equals

1. $-a+15b+106$

2. $-a+15b-106$

3. $-a-15b-106$

4. $a+15b-106$

Q. Place the last two terms of the following expressions in parentheses preceded by a minus sign: $x+y-3z+y$

Q. Using brackets, write a mathematical expression for each of the following :
Two multiplied by one less than the difference of nineteen and six.

Q. How do you translate "the sum of a number and 10" into a mathematical expression?