Chapter Solution Grade 12

What is the formula for calculating the area of a circle?

• A = 0.5πr^2

• A = 3r^2

• A = πr^2

• A = 2πr

Solve the equation: 3x + 5 = 17

• x = 5

• x = 4

• x = 6

• x = 3

Explain the concept of differentiation in calculus.

• Differentiation in calculus is the process of finding the derivative of a function, which represents the rate of change of the function with respect to its input variable.

• Differentiation involves finding the maximum value of a function.

• Differentiation is the process of finding the integral of a function.

• Differentiation is used to determine the area under a curve in calculus.

What is the chemical formula for water?

• HO2

• H2O

• H3O

• O2H

Define the term 'photosynthesis' and explain the process.

• Photosynthesis is the process of converting sound energy into chemical energy.

• Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy stored in glucose molecules.

• Photosynthesis is the process of converting light energy into mechanical energy.

• Photosynthesis is the process of converting heat energy into electrical energy.

What is the capital of France?

• Paris

• Madrid

• London

• Berlin

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

• 6x + 3

• 6x - 3

• 6x + 5

• 3x + 4

Who wrote the play 'Romeo and Juliet'?

• William Shakespeare

• Charles Dickens

• Christopher Marlowe

• Jane Austen

What is the value of π (pi)?

• 3.14160

• 3.14161

• 3.14159

• 3.14158

Describe the structure of a plant cell.

• The structure of a plant cell includes a cell wall, cell membrane, cytoplasm, nucleus, mitochondria, chloroplasts, vacuoles, and ribosomes.

• Chloroplasts are not present in the structure of a plant cell.

• Plant cells do not have a cell membrane or cytoplasm.

• The structure of a plant cell includes a cell wall, nucleus, and ribosomes.