Simplify the Fraction $$\frac { 7 x - 49 } { x ^ { 2 } - 49 }$$

question 76

Multiple Choice

Simplify the fraction. $$\frac { 7 x - 49 } { x ^ { 2 } - 49 }$$
Assume that the denominator is not 0 .

• A) \(\frac { 1 } { x - 1 }\)
• B) \(\frac { 7 } { x + 7 }\)
• C) \(\frac { x } { x + 7 }\)
• D) \(\frac { x } { x - 7 }\)
• E) \(\frac { 7 } { x - 7 }\)
• F) \(\frac { 1 } { x + 1 }\)

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Definitions:

Independent Variable

A variable that is manipulated or changed in an experiment to observe its effect on the dependent variable.

Multicollinearity

A statistical phenomenon in which two or more predictor variables in a regression model are highly correlated.

Significance Level

The chance of incorrectly dismissing the null hypothesis in a statistical examination, commonly signified by alpha (α), when in fact it is correct.

Independent Variables

Variables in an experiment or study that are manipulated or categorized by the researcher to determine their effect on dependent variables.