Degree of a + b+ c - 3abc is
1
2
3
0
( 3a2 +5a - 3 ) + ( 2a2 - 7a + 17 ) =
5a2 + 2a + 14
5a2 - 2a + 14
5a2 - 2a - 14
5a2 + 2a - 14
A combination of constants and variables connected by the symbols +. -, x and ÷ is called ________.
Algebraic Expressions
constant expressions
Variable expressions
None of these
Degree of the polynomial 4x3 y2 - 3x2 y4 + 2xy + 1/3 is.
5
6
4
Subtract x2 - 5x + 8 from the sum of x2 - 3x +4 and 2x2 - x + 2
2x2 - x - 2
2x2 - x + 2
2x2 + x - 2
- 2x2 + x - 2
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
______ is a collection of one or more terms which are separated from each other by + or - sign
Term
Algebraic expression
constant
variable
An algebraic expression consists of three terms is called ______________.
Monomial
Binomial
Trinomial
None
Product of 21 xy and -2 z is :
- 42 x y z
42 x y z
42 xy
-42 z
