Revision Quiz SP2 2023

What is the definition of powers?

• The result of multiplying a number by itself a certain number of times

• The result of dividing a number by itself a certain number of times

• The result of adding a number to itself a certain number of times

• The result of subtracting a number from itself a certain number of times

Which mathematical law states that the order of the numbers does not affect the result of addition or multiplication?

• Commutative law

• Associative law

• Distributive law

• Identity law

Simplify the expression: (2 + 3) * 4 - 5

• 14

• 15

• 16

• 17

What is the result of rounding 3.14159 to the nearest hundredth?

• 3.14

• 3.15

• 3.16

• 3.17

Which of the following is an irrational number?

• 0.5

• 1.25

• √2

• 0.333...

What is the reciprocal of 5?

• 0.2

• 0.25

• 0.5

• 2

Simplify the expression: 2x + 3 - 4x + 5

• -2x + 8

• -2x + 2

• 6x + 8

• 6x + 2

Expand the expression: (x + 2)(x - 3)

• x^2 - x - 6

• x^2 + x - 6

• x^2 - x + 6

• x^2 + x + 6

Solve the equation: 2x + 5 = 13

• x = 4

• x = 6

• x = 8

• x = 10

Find the perimeter of a rectangle with length 5 cm and width 3 cm.

• 8 cm

• 10 cm

• 12 cm

• 15 cm