Solving Quadratic Equations: Completing the Square — Quiz

Question 1

What number should be added to both sides of the equation to complete the square? x squared plus 8 x is equal to 4

Revolt · Accepted Answer

16

Question 2

Bao Yu is completing the square to solve the polynomial equation. x squared minus x minus 3 is equal to 0 What should be her first step?

Revolt · Accepted Answer

isolating the constant, negative 3

Question 3

What number should be added to both sides of the equation to complete the square? x squared negative 6 x is equal to 5

Revolt · Accepted Answer

9

Question 4

Which are the solutions of the quadratic equation? x squared is equal to negative 5 x negative 3

Revolt · Accepted Answer

the fraction with numerator negative 5 minus square root of 13 and denominator 2 comma the fraction with numerator negative 5 plus square root of 13 and denominator 2

Question 5

What number should be added to both sides of the equation to complete the square? x squared plus 3 x is equal to 6

Revolt · Accepted Answer

3 halves squared

Question 6

Which are the solutions of the quadratic equation? x squared is equal to 9 x plus 6

Revolt · Accepted Answer

the fraction with numerator 9 minus square root of 105 and denominator 2 comma the fraction with numerator 9 plus square root of 105 and denominator 2

Question 7

What value of c makes x squared plus 6 x plus c a perfect square trinomial?

Revolt · Accepted Answer

9

Question 8

Which are the solutions of x squared is equal to negative 11 x plus 4 ?

Revolt · Accepted Answer

the fraction with numerator negative 11 minus square root of 137 and denominator 2 comma the fraction with numerator negative 11 plus square root of 137 and denominator 2

Question 9

Which are the solutions of the quadratic equation? x squared is equal to 7 x plus 4

Revolt · Accepted Answer

the fraction with numerator 7 minus square root of 65 and denominator 2 comma the fraction with numerator 7 plus square root of 65 and denominator 2

Question 10

What value of c makes x squared negative 12 x plus c a perfect square trinomial?

Revolt · Accepted Answer

36

Solving Quadratic Equations: Completing the Square — Quiz Answers

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