Question 2 :
The coefficient in the term $–5x$ is –5.Is it TRUE or FALSE?
Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1acd78c526e972caf062.PNG' />
Which of the following options represent the expression of point C given in the above figure ?
Question 4 :
The cost of a chocolate is Rs (x + 4) and Rohit bought (x + 4) chocolates. If x = 10, find the amount paid by him.
Question 5 :
Evaluate the value of : $3p \times (4p^2 + 5p + 7)$
Question 6 :
Which of the following is(are) binomial(s) with x and y as a variable?
Question 9 :
Like terms are formed from the same variables and the powers of these variables are the same,too.Is it TRUE or FALSE?
Question 10 :
Use a suitable identity to get the product: $(1.1m – 0.4) (1.1m + 0.4)$
Question 11 :
Using the Identity (II) : $(a-b)^2 = a^2 + b^2 - 2ab$ ,find $(4p - 3q)^2$
Question 13 :
An expression containing, one or more terms with non-zero coefficient (with variables having non negative integers as exponents) is called a __________.
Question 16 :
How many binomials are there in the list? $– z + 5$, $x + y + z$, $y + z + 100$, $ab – ac$, 17
Question 17 :
State true or false. Algebraic expressions are formed by the product of variables and constants.
Question 18 :
Obtain the volume of rectangular box with the following length, breadth and height respectively : xy, $2x^2y$, $2xy^2$
Question 24 :
In carrying out the multiplication of a polynomial by a binomial (or trinomial), we multiply term by term.Is it TRUE or FALSE?
Question 25 :
What will be the product of first monomial $-5y$ and second monomial $3x^2$ ?
Question 27 :
What will be the product of first expression '$4p^2q^2$' and second expression '$p^2-q^2$' ?
Question 32 :
Find the area of a rectangle whose length and breadth are 3x and 5y respectively.
Question 34 :
Multiply the binomials: $(\frac{3}{4}a^2 + 3b^2 ) \ and \ 4(a^2 – \frac{2}{3}b^2 )$
Question 35 :
What is the result of the following divisions? $(x^3 + x^2 – 132x) ÷ x (x – 11)$
Question 43 :
Find the volume of rectangular box whose length, breadth and height are $m^{2}n$, $n^{2}p$ and $p^{2}m$ respectively.
Question 44 :
Identity (I) : $(a+b)^2 = a^2 + b^2 + 2ab$ Identity (II) : $(a-b)^2 = a^2 + b^2 - 2ab$ Put – b in place of b in Identity (I). Do you get Identity (II)?
Question 46 :
State true or false: $(7p – 13q)^2 + 364pq = (7p + 13q)^2$
Question 47 :
Multiply: $(a^2 + 2b^2 ) \ and \ (5a – 3b)$
Question 48 :
State true or false: $(m + n) (m^2 – mn + n^2) = m^3 + n^3$
Question 49 :
What will be the product of first monomial $7x^2y$ and second monomial $-9x^2y^2$ ?
Question 50 :
What is the cofficient of the term $-20$ in the expression $x^2y^2 -10x^2y +5xy^2-20$?