College Algebra CLEP Prep Practice Exam

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Given the equation 3x2 + 5x = 12, what is the value of x?

  1. –2

  2. –1

  3. 1

  4. 2

The correct answer is: –1

To find the value of x, we need to solve for x in the given equation. We can do this by using the inverse operations. First, we can simplify the equation by factoring out an x. 3x^2 + 5x = 12 x(3x + 5) = 12 Next, we can use the distributive property to expand the parentheses. 3x^2 + 5x = 12 3x^2 + 5x - 12 = 0 To solve for x, we can use the quadratic formula x = (-b ± √(b^2 - 4ac)) / 2a In this equation, a = 3, b = 5, and c = -12. Plugging in these values, we get: x

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