Solve the Inequality and Graph the Solution on a Number $x ^ { 2 } + 8 x + 7 \geq 0$

question 130

Multiple Choice

Solve the inequality and graph the solution on a number line.
- $x ^ { 2 } + 8 x + 7 \geq 0$

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Definitions:

Dosage

The size or frequency of a dose of a medicine or drug that has been officially recommended.

Observational Study

A study in which the researcher observes outcomes without manipulating the study environment or subjects.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact by observing and measuring the effect of varying an independent variable.

Dosage

The size or frequency of a dose of a medicine or drug that has been recommended.