Question What is the quadratic equation that has the roots 3+i and 3−i ?(1 point) Responses x2−6x+8=0 x squared minus 6 x plus 8 equals 0 x2−6x+10=0 x squared minus 6 x plus 10 equals 0 x2+6x−10=0 x squared plus 6 x minus 10 equals 0 x2+6x+10=0

1 answer

To find the quadratic equation with roots \(3+i\) and \(3-i\), we can use Vieta's formulas. The sum of the roots is given by:

\[ (3+i) + (3-i) = 3 + i + 3 - i = 6 \]

The product of the roots is:

\[ (3+i)(3-i) = 3^2 - (i^2) = 9 - (-1) = 9 + 1 = 10 \]

Using the general form of a quadratic equation \(x^2 - (sum\ of\ roots)x + (product\ of\ roots) = 0\), we can substitute the values we found:

\[ x^2 - 6x + 10 = 0 \]

Thus, the quadratic equation that has the roots \(3+i\) and \(3-i\) is:

\[ x^2 - 6x + 10 = 0 \]

So, the correct response is: \(x^2 - 6x + 10 = 0\)

Similar Questions
  1. Quadratic Equations Online PracticeComplete this assessment to review what you’ve learned. It will not count toward your
    1. answers icon 1 answer
  2. SOLVING QUADRATICEQUATIONS 14. Determine the number of real roots, the axis of symmetry, and the vertex of each equation. a. y =
    1. answers icon 1 answer
    1. answers icon 1 answer
  3. QuestionSolve the following quadratic equation using square roots: −9+(x−3)2−4=−4 − 9 + ( 𝑥 − 3 ) 2 − 4 = − 4
    1. answers icon 1 answer
more similar questions