class 7 maths

1) The mathematical expression of ‘Subtracting the product of x with itself from 8’ is

• X-8

• 8-x

• 8-x²

• X²-8

1) ….. Is same as (3)(-x)(-y).

• 3xy

• (-3)(-x)(-y)

• (-3)(x)(y)

• -3xy

1) In expression 5x⁴ – 3x² +8, the constant term is …..

• 4

• 5

• 8

• 3

1) There are …….. terms in 5x³ + 4x² + 3x + 2

a) 4 c) 2

b) 3 d) 1

• 4

• 3

• 2

• 1

1) If x = -2, then -3x³ = ……

• 24

• -24

• 12

• -12

1) 5⁴ = ……

• 25

• 125

• 625

• 20

1) 2³ * 3³ = …..

• 108

• 216

• 432

• 864

1) 3⁶ divide 3² = ….

• 3³

• 3⁴

• 3⁶²

• 3²⁶

1) The angle of rotation is ……. In a square.

• 90

• 180

• 270

• 360

1) A trapezium has ….. line/s of symmetry.

• 0

• 1

• 2

• 3