Solving Quadratic Equations: Completing the Square (Continued)

Question 1

What error did Penelope make in her work?

Revolt · Accepted Answer

Penelope should have added 4 to both sides instead of adding 1.

Question 2

Solve the quadratic function by completing the square. What are the missing pieces in the steps?

Revolt · Accepted Answer

+: 50; 3; =: -8

Question 3

Question 3

Revolt · Accepted Answer

3

Question 4

Question 4

Revolt · Accepted Answer

-8

Question 5

Complete the steps for solving 7 = –2x2 + 10x.

Revolt · Accepted Answer

Factor out of the variable terms.: –2; inside the parentheses and on the left side of the equation.: Add 25/4; inside the parentheses and on the left side of the equation.: subtract 25/2; Add to both sides.: 5/2

Question 6

✔ Add 4Add 16Subtract 4Subtract 16

Revolt · Accepted Answer

✔ Add 4; inside the parentheses and .: Add 4; inside the parentheses and .: subtract 24 from 5; The two solutions are .: 2

Question 7

add 4 to 5 add 24 to 5 subtract 4 from 5 ✔ subtract 24 from 5

Revolt · Accepted Answer

✔ subtract 24 from 5

Question 8

–2–1 1✔ 2

Revolt · Accepted Answer

✔ 2

Question 9

Complete the steps for solving 7 = –2x2 + 10x.

Revolt · Accepted Answer

✔ –2; Factor out of the variable terms.: –2; inside the parentheses and on the left side of the equation.: Add 25/4; inside the parentheses and on the left side of the equation.: subtract 25/2; Add to both sides.: 5/2

Question 10

Subtract 25/2Add 25/2Subtract 25/4✔ Add 25/4

Revolt · Accepted Answer

✔ Add 25/4

Solving Quadratic Equations: Completing the Square (Continued) Answers

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