Question 12 Marks
| 'A' | 'B' | ||
| Q.1. | Factors of $x^2-x-12$ | A. | (x-10) (x + 10) |
| Q.2. | Factors of $x^2-100$ | B. | (x-20) (x - 5) |
| C. | (x-4) (x + 3) |
Answer
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7 questions · timed · auto-graded
| 'A' | 'B' | ||
| Q.1. | Factors of $x^2-x-12$ | A. | (x-10) (x + 10) |
| Q.2. | Factors of $x^2-100$ | B. | (x-20) (x - 5) |
| C. | (x-4) (x + 3) |
| 'A' | 'B' | ||
| Q.1. | 105 × 95 =__________ | A. | 6400 |
| Q.2. | 77 x 83 =__________ | B. | 9975 |
| C. | 6391 |
| 'A' | 'B' |
| Q.1. $(x+3)(x-2)=\ldots \ldots$ | (a) $x^2+x-6$ |
| Q.2. $(x-3)(x+2)=\ldots\ldots$ | (b) $x^2-x-6$ |
| (c) $x^2-5 x+6$ |
| 'A' | 'B' |
| Q.1. $(x+2)(x-2)=\ldots \ldots$ | (a) $x^2-4 x+4$ |
| Q.2. $(x+2)(x+2)=\ldots \ldots$ | (b) $x^2+4 x+4$ |
| (c) $x^2-4$ |
| 'A' | 'B' |
| Q.1. $x^2-49=\ldots\ldots$ | (a) $(x+7)(x+7)$ |
| Q.2. $x^2-14 x+49=\ldots\ldots$ | (b) $(x-7)(x-7)$ |
| (c) $(x - 7)(x+7)$ |
| 'A' | 'B' |
| Q.1. $(a+b)^3=\ldots\ldots$ | (a) $a^3+b^3+3 a b(a+b)$ |
| Q.2. $a^3+b^3=\ldots\ldots$ | (b) $(a+b)\left(a^2-a b+b^2\right)$ |
| (c) $(a-b)\left(a^2+a b+b^2\right)$ |
| 'A' | 'B' |
| Q.1. The degree of the polynomial $5 x^3+4 x^2+7 x$ | (a) $0$ |
| Q.2. The coefficient of $x$ in the polynomial $4-x^2$ | (b) $2$ |
| (c) $3$ |