Chapter 1 – Rational Numbers
10.Write: (i) The rational number that does not have a reciprocal. (ii) The rational numbers that are equal to their reciprocals. (iii) The rational number that is equal to its negative.
10
Oct
10.Write: (i) The rational number that does not have a reciprocal. (ii) The rational numbers that are equal to their reciprocals. (iii) The rational number that is equal to its negative. 10.Write: (i) The rational number that does not have a reciprocal. (ii) The rational numbers that are equal to their reciprocals. (iii) The rational [...]
8.Is 0.3 multiplicative inverse of 3 1/3 ? why or why not ?
10
Oct
8.Is 0.3 multiplicative inverse of 3 1/3 ? why or why not ? 8.Is 0.3 multiplicative inverse of 3 1/3 ? why or why not ? October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
8. Is 8\9 multiplicative inverse of -1 1/8 ? why or why not ?
10
Oct
8. Is 8\9 multiplicative inverse of -1 1/8 ? why or why not ? 8. Is 8\9 multiplicative inverse of -1 1/8 ? why or why not ? October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
6. Multiply 6/13 by the reciprocal of -7/16.
10
Oct
6. Multiply 6/13 by the reciprocal of -7/16. 6. Multiply 6/13 by the reciprocal of -7/16. October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
5. Name the property under multiplication used in each of the following: (i) -4/5 x 1 = 1 x -4/5 = -4/5 (ii) -13/17 x -2/7 = -2/7 x -13/17 (iii) -19/29 x 29/-29 = 1
10
Oct
5. Name the property under multiplication used in each of the following: (i) -4/5 x 1 = 1 x -4/5 = -4/5 (ii) -13/17 x -2/7 = -2/7 x -13/17 (iii) -19/29 x 29/-29 = 1 5. Name the property under multiplication used in each of the following: (i) -4/5 x 1 = 1 x [...]
4. Find the multiplicative inverse of the following: (i) -13 (ii) -13/19 (iii) 1/5 (iv) -5/8 x -3/7 (v) -1 x -2/5 (vi) -1
10
Oct
4. Find the multiplicative inverse of the following: (i) -13 (ii) -13/19 (iii) 1/5 (iv) -5/8 x -3/7 (v) -1 x -2/5 (vi) -1 4. Find the multiplicative inverse of the following: (i) -13 (ii) -13/19 (iii) 1/5 (iv) -5/8 x -3/7 (v) -1 x -2/5 (vi) -1 October 10, 2020 Category: Chapter 1 - [...]
3. Verify that -(-x) = x for: (ii) x = -13/17
10
Oct
3. Verify that -(-x) = x for: (ii) x = -13/17 3. Verify that -(-x) = x for: (ii) x = -13/17 October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
3. Verify that -(-x) = x for: (i) x = 11/15
10
Oct
3. Verify that -(-x) = x for: (i) x = 11/15 3. Verify that -(-x) = x for: (i) x = 11/15 October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
2. Write the additive inverse of each of the following: (i) 2/8 (ii) -5/9 (iii) -6/-5 (iv) 2/-9 (v) 19/-6
10
Oct
2. Write the additive inverse of each of the following: (i) 2/8 (ii) -5/9 (iii) -6/-5 (iv) 2/-9 (v) 19/-6 2. Write the additive inverse of each of the following: (i) 2/8 (ii) -5/9 (iii) -6/-5 (iv) 2/-9 (v) 19/-6 October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 [...]
1. Using appropriate properties find: (ii) 2/5 x (- 3/7) – 1/6 x 3/2 + 1/14 x 2/5
10
Oct
1. Using appropriate properties find: (ii) 2/5 x (- 3/7) – 1/6 x 3/2 + 1/14 x 2/5 1. Using appropriate properties find: (ii) 2/5 x (- 3/7) - 1/6 x 3/2 + 1/14 x 2/5 October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,