Quiz about Converting from Standard Form to Vertex Form

Question 1

Write the following quadratic expression in completed square form...

y = x² + 4x + 10

Accepted Answer

y = (x + 2)² + 6

Answer

y = (x + 4)² + 6

Answer

y = (x + 4)² - 6

Answer

y = (x + 2)² - 6

Question 2

Write the following quadratic expression in completed square form...

y = x² + 8x + 2

Accepted Answer

y = (x + 4)² - 14

Answer

y = (x + 4)² - 6

Answer

y = (x + 4)² - 18

Answer

y = (x + 4)² + 6

Question 3

Write the following quadratic expression in completed square form...

y = x² + 8x - 1

Accepted Answer

y = (x + 4)² - 17

Answer

y = (x + 4)² - 16

Answer

y = (x + 4)² - 9

Answer

y = (x + 4)² - 15

Question 4

Write the following quadratic expression in completed square form...

y = x² + 10x + 13

Accepted Answer

y = (x + 5)² - 12

Answer

y = (x + 5)² + 3

Answer

y = (x + 5)² + 12

Answer

y = (x + 5)² - 15

Question 5

Write the following quadratic expression in completed square form...

y = x² - 12x - 5

Accepted Answer

y = (x - 6)² - 41

Answer

y = (x - 6)² + 41

Answer

y = (x + 6)² - 41

Answer

y = (x + 6)² + 41

Question 6

Write the following quadratic expression in completed square form...

y = x² + 20x + 50

Accepted Answer

y = (x + 10)² - 50

Answer

y = (x - 10)² - 50

Answer

y = (x + 20)² - 50

Answer

y = (x + 10)² + 50

Question 7

Write the following quadratic expression in completed square form...

y = x² - 16x - 20

Accepted Answer

y = (x - 8)² - 84

Answer

y = (x + 8)² + 84

Answer

y = (x - 16)² - 84

Answer

y = (x - 8)² + 84

Question 8

Write the following quadratic expression in completed square form...

y = x² + 2x + 50

Accepted Answer

y = (x + 1)² + 49

Answer

y = (x - 2)² + 49

Answer

y = (x + 2)² - 49

Answer

y = (x + 1)² - 49

Question 9

Write the following quadratic expression in completed square form...

y = x² - 4x + 80

Accepted Answer

y = (x - 2)² + 76

Answer

y = (x + 4)² - 76

Answer

y = (x - 4)² + 76

Answer

y = (x - 2)² - 76

Question 10

Write the following quadratic expression in completed square form...

y = x² - 18x + 100

Accepted Answer

y = (x - 9)² + 19

Answer

y = (x + 18)² - 19

Answer

y = (x - 18)² + 19

Answer

y = (x - 9)² - 19

Converting from Standard Form to Vertex Form

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