Simplify the Rational Expression $$\frac { x ^ { 2 } - 25 } { ( x + 5 ) ^ { 2 } }$$

question 97

Multiple Choice

Simplify the rational expression. (Assume the denominator is nonzero.)
- $$\frac { x ^ { 2 } - 25 } { ( x + 5 ) ^ { 2 } }$$

• A) \(x - 5\)
• B) \(\frac { x ^ { 2 } - 25 } { ( x + 5 ) ^ { 2 } }\)
• C) \(\frac { x + 5 } { x - 5 }\)
• D) \(\frac { x - 5 } { x + 5 }\)

Differentiate between criterion-referenced and norm-referenced interpretations.

Be able to calculate and interpret z-scores and their conversions to other scales (e.g., DIQ, T scores, percentiles).

Understand the role of standard deviation and mean in the interpretation of test scores.

Recognize the impact of legislation on educational testing practices.

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Definitions:

Diamonds

A form of pure carbon arranged in a crystal lattice structure, often used in jewelry and industrial applications because of its hardness and optical properties.

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Conflict areas are regions where there is a high incidence of conflict, often involving violence, warfare, or political instability.

Overmining

The excessive extraction of minerals or resources, leading to depletion or significant environmental degradation.

War-Torn Areas

are regions that have been severely affected by the consequences of armed conflict, impacting their social and economic fabric.