4. Simplify: (ang '^' ay exponent sa (^6)(^4))
y^6
-----
y^4

A. y¹⁰

B. y²

C. y⁻²

D. 1/y²

5. Find the product: (y - 3) (y + 7)

A. y² - 21

B. y² + 4y − 21

C. y² + 10y − 21

D. 2y - 10

6. Multiply 2xy and 5xz.

A. 2x²yz

B. 5x²yz

C. 10xyz

D. 10x²yz

7. Divide: (ang '^' ay exponent sa (^5)(^2))
6x^5 + 9x^2
-----------------
3x

A. 2x⁵ + 3x²

B. 2x⁴ + 3x

C. 3x⁴ + 6x

D. 2x⁴ + 3x²

8. Divide: (ang '^' ay exponent sa (^2))
x^2 - 3x + 2
----------------
x - 2

A. x + 1

B. x - 1

C. x - 2

D. 2x + 2

For numbers 9 to 14. Find the product of the following:

9. (x+4)²

A. x² − 16

B. x² + 8x − 16

C. x² + 8x + 16

D. x² + 16

10. (2y−7)²

A. 4y² − 28y + 49

B. 4y² − 14y + 49

C. 4y² + 7

D. 4y² + 14y²

11. (2x + 1)³

A. 8x + 12x² + 6x - 1

B. 8x³ + 12x² + 6x + 1

C. 8x³ + 12x + 6x + 1

D. 8x³ + 12x² + 6x - 1

12. (x + 2)³

A. x³ + 6x² + 12x + 8

B. x³ + 6x² + 12x + 6

C. 2x³ + 6x² + 12x + 8

D. x³ + 2x² + 12x + 8

13. (x + y + z)²

A. x³ + y² + z + 2xy + 2xz + 2yz

B. x³ + y³ + z³ + 2xy + 2xz + 2yz

C. x³ + y² + z² + 2xy + 2xz + 2yz

D. x² + y² + z² + 2xy + 2xz + 2yz

14. (x + 3y) (x- 3y)

A. x² + 6y²

B. x² + 6y

C. x² − 9y²

D. x² + 9y

15. . How many terms are there in a Trinomial

A. one

B. two

C. three

D. four

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