11.25 Additive Inverse :

The additive inverse of 11.25 is -11.25.

This means that when we add 11.25 and -11.25, the result is zero:

11.25 + (-11.25) = 0

Additive Inverse of a Decimal Number

For decimal numbers, we simply change the sign of the number:

  • Original number: 11.25
  • Additive inverse: -11.25

To verify: 11.25 + (-11.25) = 0

Extended Mathematical Exploration of 11.25

Let's explore various mathematical operations and concepts related to 11.25 and its additive inverse -11.25.

Basic Operations and Properties

  • Square of 11.25: 126.5625
  • Cube of 11.25: 1423.828125
  • Square root of |11.25|: 3.3541019662497
  • Reciprocal of 11.25: 0.088888888888889
  • Double of 11.25: 22.5
  • Half of 11.25: 5.625
  • Absolute value of 11.25: 11.25

Trigonometric Functions

  • Sine of 11.25: -0.96780799751126
  • Cosine of 11.25: 0.25168965007175
  • Tangent of 11.25: -3.8452435260463

Exponential and Logarithmic Functions

  • e^11.25: 76879.919764678
  • Natural log of 11.25: 2.4203681286504

Floor and Ceiling Functions

  • Floor of 11.25: 11
  • Ceiling of 11.25: 12

Interesting Properties and Relationships

  • The sum of 11.25 and its additive inverse (-11.25) is always 0.
  • The product of 11.25 and its additive inverse is: -126.5625
  • The average of 11.25 and its additive inverse is always 0.
  • The distance between 11.25 and its additive inverse on a number line is: 22.5

Applications in Algebra

Consider the equation: x + 11.25 = 0

The solution to this equation is x = -11.25, which is the additive inverse of 11.25.

Graphical Representation

On a coordinate plane:

  • The point (11.25, 0) is reflected across the y-axis to (-11.25, 0).
  • The midpoint between these two points is always (0, 0).

Series Involving 11.25 and Its Additive Inverse

Consider the alternating series: 11.25 + (-11.25) + 11.25 + (-11.25) + ...

The sum of this series oscillates between 0 and 11.25, never converging unless 11.25 is 0.

In Number Theory

For integer values:

  • If 11.25 is even, its additive inverse is also even.
  • If 11.25 is odd, its additive inverse is also odd.
  • The sum of the digits of 11.25 and its additive inverse may or may not be the same.

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