Use the quadratic formula to solve x² + 8x + 9 = 0. what are the solutions to the equation? round irrational solutions to the nearest tenth. a. x = −1.2 and x = −6.8 b. x = 1 and x = −9 c. x = −6.6 and x = −1.4 d. x = −1 and x = −8

C. x = −6.6 and x = −1.4

Step-by-step explanation:

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choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

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step-by-step explanation: