36; Selection 1: 36; Selection 2: x + 6; Selection 3: –10 or –2

Answers Algebra III ASolving Quadratic Equations: Completing the Square

Solving Quadratic Equations: Completing the Square Answers

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Answer:

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81956

[___]

Answer:

100

81957

61036100

100

81958

What number would you add to both sides of x2 + 7x = 4 to complete the square?

Option

81959

Solve x2 + 8x = 33 by completing the square. Which is the solution set of the equation?

{–11, 3}

{–3, 11}

{–4, 4}

{–7, 7}

81960

Which describes the solutions of the equation?

Since 7 and 11 are both rational, the sum and difference are rational.

Since 14 and 11 are both rational, the sum and difference are rational.

Since 7 is rational and is irrational, the sum and difference are irrational.

Since is irrational and 11 is rational, the sum and difference are irrational.

81961

What is the solution set of x2 – 10 = 30x?

{–220, 250}

{–250, 220}

{15 – , 15 + }

{–15 – , –15 + }

81962

What are the solutions of x2 = 8 – 5x?

Option

81963

Question text not available

Answer:

100

81964

What number would you add to both sides of x2 + 7x = 4 to complete the square?

Option

81965

Solve x2 + 12x = –20 by completing the square. Add to both sides of the equation. The value of in this equation is . Write the left side of the equation as a binomial squared. The left side of the equation becomes ()2. Use the square root property of equality. Isolate the variable: x =

Answers:

Selection 1:36

Selection 2:x + 6

Selection 3:–10 or –2

81966

Solve x2 + 8x = 33 by completing the square. Which is the solution set of the equation?

{–11, 3}

{–3, 11}

{–4, 4}

{–7, 7}

81967

Which describes the solutions of the equation?