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
A combination of constants and variables connected by the symbols +. -, x and ÷ is called ________.
Algebraic Expressions
constant expressions
Variable expressions
None of these
Multiply 3x2 - 4xy2 + 2xy by 2x2 y We get
6x2 y - 8 x2 y2 + 4 x2 y3
6x4 y - 8 x3 y3 + 4 x3 y2
6x4 y + 8 x3 y3 + 4 x3 y2
6x4 y + 8 x3 y3 - 4 x3 y2
Degree of the polynomial 4x3 y2 - 3x2 y4 + 2xy + 1/3 is.
5
6
2
4
6a - [ 3a + {4b - (2a - b ) + 5a } - 7 b ] is
3b
2 b
7a +2b
5a + 3b
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
An algebraic expression which contains only one term is called a ________.
Bionimial
Trinomial
Multinomial
Monomial
The terms having same literal factors or coefficients are called __________
Like terms
Unlike terms
Constants
None
ax2 +bx + c is a ________.
Binomial
( 3a2 +5a - 3 ) + ( 2a2 - 7a + 17 ) =
5a2 + 2a + 14
5a2 - 2a + 14
5a2 - 2a - 14
5a2 + 2a - 14