Maths class 9 quizz

The value of polynomial 5x²-3x+7 at x=1 is

• 15

• 1

• 9

• 8

The remainder when x⁴+x³-2x²+x+1 is divided by (x-1) is

• 3

• 1

• 4

• 2

A polynomial of three terms is called

(a)  

The value of k, if x-1 is a factor of p(x)= x²+x+2k+1 is

• -1/4

• -3/2

• -2/3

• -3/4

Two angles can be supplement if both of them are

• Obtuse angles

• Right angles

• Acute angles

• Reflex angles

Measure of an angle lies between _________ and ____________.

•  $0\degree\ and\ 180\degree$  

•  $0\degree\ and\ 360\degree$  

•  $1\degree\ and\ 180\degree$  

•  $0\degree\ and\ 150\degree$  

•  $0\degree\ and\ \ 90\degree$  

In the figure  $\angle AOE=40\degree\ AND\ \angle BOD=60\degree\ find\ the\ value\ of\ x$  

•  $40\degree$  

•  $60\degree$  

•  $80\degree$  

•  $100\degree$  

In figure, AB || ED, the value of x is

• 26^o

• 36^o

• 74^o

• 82^o

The coefficient of x² in 3x³+2x²-x+1 is

• 2

• 4

• 5

• 0

Value of x in the figure above is:

• 20^o

• 80^o

• 60^o

• 40^o