# Where a and b are constants?

**Asked by: Luisa Halvorson**

Score: 4.7/5 (48 votes)

In Algebra, a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number. Example: in **"x + 5 = 9"**, 5 and 9 are constants.

Herein, What is constant example?

In mathematics, a constant is a specific number or a symbol that is assigned a fixed value. In other words, a constant is a value or number that never changes in expression. Its value is constantly the same. Examples of constant are

**2, 5, 0, -3, -7, 2/7, 7/9 etc.**

Additionally, How do you find a constant of a function?. Mathematically speaking, a constant function is a function that has the same output value no matter what your input value is. Because of this, a constant function has the

**form y = b**, where b is a constant (a single value that does not change). For example, y = 7 or y = 1,094 are constant functions.

Likewise, people ask, Is a constant function?

A constant function is

**a function which takes the same value for f(x) no matter what x is**. When we are talking about a generic constant function, we usually write f(x) = c, where c is some unspecified constant. Examples of constant functions include f(x) = 0, f(x) = 1, f(x) = π, f(x) = −0.

What is constant equation?

The equation of a constant function is of the form

**f(x) = k**, where 'k' is a constant and any real number. Example of a constant function: f(x) = 4.

**35 related questions found**

### What is difference between constant and variable?

Difference between Variable and Constant**A constant does not change its value and it remains the same forever**. A variable, on the other hand, changes its value from time to time depending on the equation. Constants are usually represented by numbers. Variables are usually represented by alphabets.

### What are the constants?

A constant is **a value that cannot be altered by the program during normal execution**, i.e., the value is constant. ... This is contrasted with a variable, which is an identifier with a value that can be changed during normal execution, i.e., the value is variable.

### What are examples of constant variables?

TL;DR: In a science experiment, the controlled or constant variable is a variable that does not change. For example, in an experiment **to test the effect of different lights on plants**, other factors that affect plant growth and health, such as soil quality and watering, would need to remain constant.

### What is constant and variable in algebra?

(a) Variables: a variable is an entity whose value is not fixed; it can vary. ... Variables are generally denoted by the letters x, y, z etc. (b) Constants: **a constant is an entity whose value is fixed for the given situation**.

### What is constant expression?

A constant expression is **an expression that contains only constants**. A constant expression can be evaluated during compilation rather than at run time, and can be used in any place that a constant can occur.

### How do you know if a number is constant?

In Algebra, a constant is a **number on its own**, or sometimes a letter such as a, b or c to stand for a fixed number. Example: in "x + 5 = 9", 5 and 9 are constants.

### How do you find the values of a and b to make f continuous?

So, **if a = b = 1/2, then f(x) is continuous for all x**. Continuous means that the graph of f(x) has no gaps in the intervals. f(x) is a piecewise function because for each interval, there are different types of behaviors.

### What are two constants?

There are two main types of constants you may encounter in experiments: **true constants and control constants**.

### Why do we use constants?

Constants are **useful for defining values that are used many times within a function or program**. ... By using constants, programmers can modify multiple instances of a value at one time. For example, changing the value assigned to max in the example above will modify the value wherever max is referenced.

### What are 3 examples of constants in an experiment?

**A few good examples of experimental constants include:**

- The acceleration due to gravity.
- Gravitational constant.
- Avogadro's constant.
- The Gas constant.
- Boltzmann's constant.
- The Stefan-Boltzmann constant.
- Elementary charge.
- Electron rest mass.

### What is variable and constant explain with example?

**A constant does not change over time and has a fixed value**. For example, the size of a shoe or cloth or any apparel will not change at any point. In an algebraic expression, x+y = 8, 8 is a constant value, and it cannot be changed. Variables: Variables are the terms which can change or vary over time.

### What are the three types of variables?

A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: **independent, dependent, and controlled**. The independent variable is the one that is changed by the scientist.

### What are the two types of variables?

**Discrete and continuous variables are two types of quantitative variables:**

- Discrete variables represent counts (e.g. the number of objects in a collection).
- Continuous variables represent measurable amounts (e.g. water volume or weight).

### What is the constant value?

A Constant Value is **an integer number, either signed or unsigned**, that is created by the programmer. Constant Values are symbolized by a number sign.

### What is a constant in English grammar?

constant. noun. English Language Learners Definition of constant (Entry 2 of 2) : **something that stays the same** : something that does not change. : a quantity or number whose value does not change.

### What is the constant in an algebraic expression?

Constant: **A number that cannot change its value**. In the expression 2x+4y−9 , the term 9 is a constant. Like Terms: Terms that contain the same variables such as 2m , 6m or 3xy and 7xy .