(i) \(xy × yz × zx = x^2 y^2 z^2\)
(ii) \(a × – a^2 × a^3 = – a^6\)
(iii) \(2 × 4y × 8y^2 × 16y^3 = 1024 y^6\)
(iv) \(a × 2b × 3c × 6abc = 36a^2 b^2 c^2\)
(v) \( m × – mn × mnp = –m^3 n^2 p\)
First monomial → Second monomial ↓ | 2x | –5y | 3x2 | – 4xy | 7x 2 y | –9x 2 y 2 |
2x | 4x2 | . . . | . . . | . . . | . . . | . . . |
–5y | . . . | . . . | -15x2y | . . . | . . . | . . . |
3x2 | . . . | . . . | . . . | . . . | . . . | . . . |
– 4xy | . . . | . . . | . . . | . . . | . . . | . . . |
7x 2 y | . . . | . . . | . . . | . . . | . . . | . . . |
–9x2 y2 | . . . | . . . | . . . | . . . | . . . | . . . |
Fill in the blanks using the correct form of the verbs in brackets.
My little sister is very naughty. When she ____ (come) back from school yesterday, she had _____(tear) her dress. We _____(ask) her how it had _____(happen). She ______(say) she _____ _____ (have, quarrel) with a boy. She _____ _____ (have, beat) him in a race and he _____ ____ (have, try) to push her. She _____ ____ (have, tell) the teacher and so he _____ _____ (have, chase) her, and she _____ _____ (have, fall) down and _____ _____ (have, tear) her dress.