Use the table to answer the question.

x Substituted Evaluate True Statement?
7−11−−√
7

11

7
11−7–√
11

7

7+11−−√
7
+
11

11+7–√
11
+
7

For the quadratic equation (x−7)2=11
(
𝑥

7
)
2
=
11
, complete the table by testing each of the given values to determine whether it is a solution. Identify the two solutions to the quadratic equation.

(1 point)
The smaller of the two solutions is x=
𝑥
=
. The larger of the two solutions is x=
𝑥
=
.

1 answer

To solve the quadratic equation \((x - 7)^2 = 11\), we first take the square root of both sides:

\[ x - 7 = \pm \sqrt{11} \]

This leads to two equations:

  1. \(x - 7 = \sqrt{11}\)
  2. \(x - 7 = -\sqrt{11}\)

Now we solve for \(x\) in both cases:

  1. \(x = 7 + \sqrt{11}\)
  2. \(x = 7 - \sqrt{11}\)

Next, we can evaluate the approximate values of these two solutions:

  • For \(x = 7 + \sqrt{11}\): \(\sqrt{11} \approx 3.3166\) So, \(x \approx 7 + 3.3166 \approx 10.3166\) (This is the larger solution.)

  • For \(x = 7 - \sqrt{11}\): \(x \approx 7 - 3.3166 \approx 3.6834\) (This is the smaller solution.)

Thus, the solutions to the quadratic equation are:

  • The smaller of the two solutions is \(x \approx 3.6834\).
  • The larger of the two solutions is \(x \approx 10.3166\).

Now, to provide the answers in the required format:

The smaller of the two solutions is \(x = 7 - \sqrt{11}\).
The larger of the two solutions is \(x = 7 + \sqrt{11}\).

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