Question

Q. 11) What is the numerical of -5ab/9c ?



-5/9

-5/9c

5/9

-5

Q. 12) Which of the following is a binomial?



5x-7y

8x+6y+z

5x²

5x³-7x+4

Q. 13) Which of the following is the algebraic form of the statement " The product of x & y is subtracted from their sum"?



(x-y) +xy

xy+(x-y)

xy-(x+y)

(x+y) -xy

Q. 14) Evaluate (ab+bc+ca+a²+b²-c²+1) /2a for a=-1, b=2, c=3



-2

1

-1

None of these

Q. 15) In the term 2x²y , y is the literal coefficient of 2x.



True

False​

Answer 1

( y+5)(y-5)

a. y power 2 +5

b.y power 2 - 10

c. y power 2+ 25

d. y power 2 - 25