Solve the Inequality $$x ^ { 2 } - 6 x - 7 < 0$$

question 378

Multiple Choice

Solve the inequality. Use algebra to solve the corresponding equation.
- $$x ^ { 2 } - 6 x - 7 < 0$$

• A) \(( - \infty , - 1 )\)
• B) \(( 7 , \infty )\)
• C) \(( - 1,7 )\)
• D) \(( - \infty , - 1 ) \cup ( 7 , \infty )\)

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Definitions:

Paired T-test

An analytical technique that contrasts the averages of two connected groups to ascertain if their difference is statistically significant.

Significance Level

In statistics, a threshold of probability set for rejecting the null hypothesis, indicating the strength of the evidence against the null hypothesis.

Mean Difference

The average of differences between pairs of observations in a dataset.

Standard Deviation

A statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.