Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

x = -7.12, 1.12

Step-by-step explanation:

We are given an equation and asked to solve it with quadratic formula

Quadratic formula is given as:

Given equation: x² - 8 = -6x

Rewriting the equation

x² - 8 + 6x = 0

x² + 6x - 8 = 0

Where a = 1; b = 6; c = -8

Putting the values of a, b and c in quadratic formula

      x = 1.12

      x = -7.12

x = -7.12, 1.12

The correct answer option is a. –7.12, 1.12.

Step-by-step explanation:

We are given the following equation and we are to solve it using the quadratic formula:

Re-arranging this equation in order of decreasing power:

Using the quadratic formula:

Substituting the given values in the formula to get:

x= 149. 24+7=31. 180-31=149

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