Solve the Equation $\frac { a } { a + 1 } - 7 = \frac { 8 a } { a + 1 }$

question 172

Multiple Choice

Solve the equation. $\frac { a } { a + 1 } - 7 = \frac { 8 a } { a + 1 }$

• A) \(\{ - 1 \}\)
• B) \(\left\{ - \frac { 3 } { 2 } \right\}\)
• C) \(\left\{ - \frac { 1 } { 2 } \right\}\)
• D) \(\left\{ - \frac { 7 } { 2 } \right\}\)

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Definitions:

Sum Of Squares

A statistical technique used to measure the dispersion or variation within a data set, calculated by squaring each deviation from the mean and summing these squares.

Error

The difference between the observed value and the true value of a quantity.

Dependent Variable

In an experimental setting, the variable being tested and measured, presumed to change in response to variations in the independent variable.

Sample Correlation Coefficient

A numerical value that determines both the magnitude and direction of a straight-line association between two variables measured quantitatively in a given sample.