Coefficient

Q.

How many planes can pass through three non-collinear points?

1. Infinite

2. None of the above

3. One

4. Two

Q.

Question 82 (v)

Subtract

2ab + 5bc - 7ac from 5ab - 2bc - 2ac + 10abc

Q. How many line segments can you make with three points A, B and C?

1. 2
2. 3
3. 4
4. 5

Q.

Question 66

How many line segments are there in the figure of Q. No. 65?

Q.

Question 3(ii)

Identify the operations used (addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed:

$17y,\frac{y}{17},5z$

Q.

In the following figure, ∠1 adjacent to ∠2.

1. True

2. False

Q. State whether true or false​
$8+ab$ is a binomial

1. True
2. False

Q. The vertical line is longer than the horizontal line.

1. False
2. True

Q. Which of the following equation is a linear equation of the first degree?

1. $x^2=4$
2. $7x^3=50+6$
3. $9x+89+76=174$
4. $1+2+3=3\times 2$

Q. State whether true or false​

The expression $2x^2+x$ is a trinomial

1. False
2. True

Q. Subtract 8x from -12x:

1. 20
2. -20
3. -20x
4. 20x

Q. Coefficient of term $x{y}^2$ in expression $4x{y}^2+x^3-x^5+2x{y}^2$ is:

1. 4
2. 0
3. 3
4. 6

Q. How many lines can pass through two given points?

1. Six
2. One
3. Four
4. Infinite

Q.

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

1. 4

2. b

3. 2

4. 0

Q. For parallel vectors we use cross product or dot product?

Q.

The coefficient of $ab$ in $2a{b}^4$ is

1. $2a{b}^4$

2. $2b^3$

3. $2a{b}^3$

4. $b^3$

Q.

2xy + 4x² + 5xy + 5y² + 16x² is equal to:

1. 20x² + 5y² + 7xy

2. 4xy + 9x² +16y²

3. 3xy + 10x² + 5y²

4. 16x² + 5y² + 7xy

Q. The coefficient of y in the term $\frac{-y}{3}$ is:

1. 
2. 
3. -1
4. -3

Q. A line segment has ______ endpoint(s).

1. one
2. two
3. zero
4. infinite

Q.

The coefficient of $b$ in -$\frac{5a^{2}b}{8c}$ is:

1. -$\frac{5a^{2}b}{8c}$

2. -$\frac{5ab}{8c}$

3. -$\frac{5a^2}{8c}$

4. -$\frac{5}{8}$

Q.

Rahul and his cousins spent ₹ (5x + 6y) for the clothes they bought, where ₹ x is the price of a pant and ₹ y is the price of a shirt. They wanted to return 2 shirts because the shirts were damaged and they wanted a refund. Then the money they spent on clothes will be equal to? [3 MARKS]

Q.

Write down the coefficients of:

$b$ in $-abc$

Q.

^{The sum :2xy+4yz+5xy+3yz-6xy}

Q.

Coefficient of $y$ in the term $\frac{-y}{9}$ is ___.

1. -1
   

2. ​

3. -3
   

4. -​

Q.

In the product $5mab$,

(i) $5$ is the numerical coefficient of $mab$.

(ii) the coefficient of $ab$ is $5m$.

(iii) $m$, $a$ and $b$ are the only factors.

1. All of (i), (ii) and (iii) are correct.

2. Only (i) and (ii) are correct.

3. Only (i) and (iii) are correct.

4. Only (ii) and (iii) are correct.

Q. In the figure given below, if AP=BP, AQ=BQ, then can we say that AM=BM.
True/False?

1. False
2. True

Q. ntIf C is the midpoint of AB, L & M are midpoints of AC & BC respectively. Prove that AL = LC = CM = MB =AB.n

Q. Without actual division, show that each of the following numbers is divisible by $8$
$1608$

Q.

Coefficient of $y$ in the term $\frac{-y}{22}$ is

1. -1
   

2. -3
   

3. ​

4. -​

Q.

Tina noticed juicy oranges in a shop and asked the shopkeeper for the price. He said each costs ₹ $x$. She bought $3$ of them. What is the coefficient of $x$ after calculating the total amount spent by Rina and Tina, if Rina had already spent ₹ $4y+5z$?
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