Use the Quadratic Formula to Find the Exact Solutions $$x ^ { 2 } = 15 + 3 x$$

question 93

Multiple Choice

Use the quadratic formula to find the exact solutions.
- $$x ^ { 2 } = 15 + 3 x$$

• A) 3,15
• B) \(\frac { 3 \pm \sqrt { 69 } } { 2 }\)
• C) \(3 \pm \sqrt { 69 } \mathrm { i }\)
• D) \(\frac { 3 } { 2 } \pm \frac { \sqrt { 69 } } { 2 } \mathrm { i }\)

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Definitions:

Standard Normal

A normal distribution with a mean of zero and a standard deviation of one, used as a basis for comparing other normal distributions.

Area

Area describes the measure of the extent of a two-dimensional surface or shape, expressed in square units.

Continuous Variable

A variable that can take an infinite number of values within a given range, allowing for any value in the range, including fractions and decimals.

Normal Distribution

A bell-shaped frequency distribution curve that is symmetrical about the mean, representing the distribution of many types of data.