( 3a2 +5a - 3 ) + ( 2a2 - 7a + 17 ) =
5a2 + 2a + 14
5a2 - 2a + 14
5a2 - 2a - 14
5a2 + 2a - 14
ax2 +bx + c is a ________.
Monomial
Binomial
Trinomial
None of these
Product of 21 xy and -2 z is :
- 42 x y z
42 x y z
42 xy
-42 z
An Algebraic expression consists of only one term is called ___________.
Bionomial
None
Subtract 5 - 7a + 2a3 from a3 + 7a2 - 4a + 3
- a3 + 7a2 +3a - 2
a3 + 7a2 +3a - 2
- a3 - 7a2 +3a - 2
The greatest power of the variable in a ploynomial is called its ____________.
Order
Degree
term
5x2 - [3y2 - 2 { 3xy - 5x ( 2x -y ) } ] is
- 15 x2 - 3y2 +16 xy
15 x2 +3y 2 + 16 xy
15 x2 +3y 2 - 16 xy
- 15 x2 +3y 2 + 16 xy
6a - [ 3a + {4b - (2a - b ) + 5a } - 7 b ] is
3b
2 b
7a +2b
5a + 3b
A combination of constants and variables connected by the symbols +. -, x and ÷ is called ________.
Algebraic Expressions
constant expressions
Variable expressions
An algebraic expression which contains only one term is called a ________.
Bionimial
Multinomial
