Foundation level III JEE Mock test -3(Maths)

The co efficient of x in 3x³ - 4x² + 7x - 2 is

• 7

• 2

• -2

• 0

the value of expression 4a²b -2ab² +7ab - 3 at a=-1, b=2 is

• -27

• 1

• 27

• -1

the sum of -2a - b + 3c - d and 2a + 4b + 6c is

• monomial

• binomial

• trinomial

• polynomial with 4 terms

the product of -7x²yz, -13y² and yz

• 91xy⁴z²

• 91xy

• 91x²y⁴z²

• -91x²yz

the middle term in the expression(2y - 3z)²

• 12yz

• -6yz

• -12yz

• 6yz

the degree of 4x²y + x² - 2y² is

• 2

• 3

• 4

• 1

the true statement is

• 3x =3 + x

• 2(x+5)=2x+5

• 4(x²-3)=4x² - 12

• a x(-5)=a-5

(3x -4) (2x+7) is

• 6x² +3x - 28

• 6x² + 13x - 28

• 6x² + 29x -28

• 6x² -29x -28

(y+5) (y-3) is

• y² -8y -15

• y² +8y -15

• y² +2y -15

• y² -2y -15

(-72x²y³)÷ (-8xy) is

• -9xy

• -9xy²

• 9xy²

• 9xy