Class IX,Maths

I. Fill in the blanks.                (10×1=10)

a. Parts of polynomial which is separated by + or – sign called __________.

    (Degree, Term, Co-efficient)

b. _____________________ is linear polynomial.

         (3t, 7x³, y + y² +4)

c. If p(x)=5x³-2x²+3x-2 then p(1) is __________ (3,4,5)

d. p(t)=4t³ at t=1 is ___________________ (4,3,6)

e. 3x² +1 is _____________________ ( monomial ,binomial, trinomial)

f. g(x) will be the factor of p(x),when remainder is _____________ (0,2,Π)

g. p/q from of 0.6  is ____________________ (1/3,2/3,2/7)

h. 36/100 is a kind of ____________________ decimal expansion.

   (Terminating, non terminating repeating, non-terminating non-repeating)

i.___________________ is irrational number from following.

                         (√23, √225, 0.3796)

j.  + = ____________

                         (, , )

II. Solve any five.   (5×2=10)

a) Find four rational numbers between 3 and 4.

b) Simplify (√5+√2)²

c) Rationalize the denominator of 1/√7- √6

d) Simplify  +

e) Find p(1)and p(-1) of polynomial p(x)=x²-2x

f) Find the remainder when x³-ax²+6x-a is divided by x-a

g) Factorize 12x²-7x+1

III. Activity 20

IV. CW/HW 10