Math 9 Assignment

Today's assignment:
- Complete the Review worksheets


Answers

Core 4

1. 3x + 6
2. 4x - 12
3. -8 + 4x
4. x + x^2 (the ^ means to the power)
5. 6x^2 - 15x
6. -12x - 21x^2
7. x^3 + 2x^2
8. 6x^4 -6x^3
9. -2x^3 + 6x^2 - 8x
10. 12x^4y + 20x^3y - 8x^3y^3

Core 5

1. x^2 + 9x + 20
2. x^2 + 6x - 16
3. x^2 - 9
4. x^2 - 9x + 20
5. 6x^2 - x - 2
6. 6x^2 + 11x + 4
7. 4x^2 - 23x + 15
8. 3x^2 - 7xy - 6y^2
9. -12x^2 + 10x + 8
10. 9 - 12x + 4x^2

Core 7

1. x + 3
2. 2 - x
3. 1 - 2x
4. 1 + y
5. x - 2y
6. x^2 + 2x - 3
7. 2 + 1/y + 2/x
8. x/y + 1
9. 1 - 2y/3x
10. x^2 - y^2

Core 11

1. 3 (a - b)
2. a (4 + 5a)
3. 3a (2 - a)
4. 6a (2b + 1)
5. 3ab (3b +a)
6. 7a - 4b
7. 3ab (4 + 2a - b)
8. 2a (2a - 3b + b^2)
9. 3b (a + 2b)
10. 2 (2a - 3b + 6ab)