5.classification 3ײ-4×-5 according to terms?
A. Monomial. B. binomial. C. trinomial.
D. multinomial.

6. which of the following is a binomial?
A. 4׳y²z. B. 12ײ+8. C. 5×-2y+z³
D. 5×-2y+z³-4

7. how many variables are there in 5×-2y+z³?
A. 1 B. 2 C. 3 D. 5

10. in the expression 2׳+4, what is the variable?
A. 2 B. 3 C. 4 D. x

11. in the expression ׳y+4, what is the constant?
A. 2 B. 3 C. y D. 4

12. Add (4×+2)+(8×+6)
A. 12x+8 B. 12x²+8 C. 12x-8
D. 12x²-8

13. what is the sum of 5xyz + 20xyz?
A. -15xyz B. -25xyz C. -15ײy²z²
D. -25ײy²z²

14. subtract ( 4× - 2 ) from (8× + 6).
A. 4×+8 B. 4×+4 C. 4ײ+8 D. 4ײ+4

15. what is the difference of 5xyz- -20xyz?
A. 15xyz B. 25xyz C. 15ײy²z²
D. 25x²y²z²




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