A. 2
D. 1
B. 3
C.4
17. Which is the numerical coefficient in the expression 6xy375 ?
A. 3
B. 5
C.XYZ
D. 6
18. An expression is a polynomial if
A. The variable is inside the radical sign.
B. There is a variable in the denominator.
C. The exponent of the variable is negative.
D. Each term is constant, a variable or a product of a constant and variable.
19. What is the degree of the polynomial 3x2y3 – xy3 + 2x?y ?
A.5
B.4
C. 3
D. 11
20. If x = 2 and y = 1, then x2y + y2 is equal to ?
A. 6
B. 7
C. 5
D. 8
21. What is the difference if 10x2 - x - 3 is subtracted from 21x2 - 3x + 1
A. 11x2 - 2x + 4 B. 11x2 + 2x - 4 C. 31x2 - 4x + 4 D. 11x
dod to -18712 to get 45xy??​