# How do you change the subject of a formula question?

## How do you change the subject of a formula question?

Changing the subject of a formula test questions

- Given the equation S = D T , change the subject of the formula to D. D = S T. D = S T. D = T S.
- Given the equation, C = 2 π r , change the subject of the formula to r. r = 2 C π r = C π 2.
- If a = b − c , then: c = b − a. c = a + b.
- If v = u + a t , then : u − v t. v − u t.

## What is subject of the formula?

The subject of a formula is the variable that is being worked out. It can be recognised as the letter on its own on one side of the equals sign. For example, in the formula for the area of a rectangle A = b h ( area = base × height ), the subject of the formula is. .

**How do you change the subject of a formula with powers?**

To change the subject of a formula, begin with the variable to become the new subject, and apply inverse operation as for solving equations in the opposite order to the order conventions.

### How do you simplify a problem?

To simplify any algebraic expression, the following are the basic rules and steps:

- Remove any grouping symbol such as brackets and parentheses by multiplying factors.
- Use the exponent rule to remove grouping if the terms are containing exponents.
- Combine the like terms by addition or subtraction.
- Combine the constants.

### How to make H the subject of the formula?

You can also try to solve these questions on the change of subject of the formula below. 1. Make h the subject of the formula 2. Make n the subject of the formula Kindly drop your answer in the comment box below. I am just that guy who tries to share his knowledge with other Nigerian students via academicng.

**How can you change the subject of a formula?**

The subject of the formula can be changed using algebraic operations. Equations with different subjects can be derived using a single formula. We can make any variable of the formula into its subject. The process of changing the subject of the formula is shown through the following examples.

## How are formulae used in the everyday life?

Formulae are used in everyday life, from working out areas and volumes of shapes to converting units of measurement. Knowing how to use and rearrange formulae are very useful skills. The subject of a formula is the variable that is being worked out. It can be recognised as the letter on its own on one side of the equals sign.

## How to make the formula V = U + at [ solved ]?

1 move u to the other side. v-u=at 2 Divide both side by the co-efficient of a v-u/t =at/t 3 Finally we arrive at a=v-u/t