Question 14 Marks
Consider the following four algebraic expressions :
(A) $x^2+x-12$ $\quad$ (B) $x^2-9$ $\quad$ (C) $x^2-8 x+16$ $\quad$ (D) $x^2+6 x+9$
Q.1. Which of the following pairs of expressions do not have any common factor ?
(a) A and B $\quad$ (b) A and C $\quad$ (c) B and D $\quad$ (d) All of these
Q.2. ( $x-3$ ) is a factor of how many of the given expressions?
(a) None $\quad$ (b) One $\quad$ (c) Two $\quad$ (d) Three
Q.3. Expression A shares a common factor with which of the following expressions?
(a) $x^2-2 x-15$ $\quad$ (b) $x^2-9 x+20$ $\quad$ (c) $x^2+x-20$ $\quad$ (d) $x^2-16$
Q.4. Expression C shares a common factor with which of the following expressions ?
(a) $x^2+2 x+8$ $\quad$ (b) $x^2-7 x+12$ $\quad$ (c) $x^2-x-20$ $\quad$ (d) $x^2+3 x-4$
(A) $x^2+x-12$ $\quad$ (B) $x^2-9$ $\quad$ (C) $x^2-8 x+16$ $\quad$ (D) $x^2+6 x+9$
Q.1. Which of the following pairs of expressions do not have any common factor ?
(a) A and B $\quad$ (b) A and C $\quad$ (c) B and D $\quad$ (d) All of these
Q.2. ( $x-3$ ) is a factor of how many of the given expressions?
(a) None $\quad$ (b) One $\quad$ (c) Two $\quad$ (d) Three
Q.3. Expression A shares a common factor with which of the following expressions?
(a) $x^2-2 x-15$ $\quad$ (b) $x^2-9 x+20$ $\quad$ (c) $x^2+x-20$ $\quad$ (d) $x^2-16$
Q.4. Expression C shares a common factor with which of the following expressions ?
(a) $x^2+2 x+8$ $\quad$ (b) $x^2-7 x+12$ $\quad$ (c) $x^2-x-20$ $\quad$ (d) $x^2+3 x-4$
Answer
View full question & answer→1. (b)$\quad$2. (c)$\quad$3. (d)$\quad$4. (b)