Completing the Square Review

When factoring
x² - 4x + 4 = 20,
what goes in the blank?
(x - __ )² = 20

• 4

• 2

• 8

• 20

Find the value of c that makes each trinomial a perfect square. ( x^2 - 24x + c )

Find the value of c that makes each trinomial a perfect square. ( x^2 - 19x + c )

Find the value of c that makes each trinomial a perfect square. ( x^2 - 22x + c )

Find the value of c that makes each trinomial a perfect square. ( x^2 - 15x + c )

Find the value of c that makes each trinomial a perfect square. ( x^2 + 24x + c )

Solve each equation by completing the square. Round to the nearest tenth if necessary. ( x^2 + 6x - 16 = 0 )

Solve each equation by completing the square. Round to the nearest tenth if necessary. ( x^2 - 2x - 14 = 0 )

Solve each equation by completing the square. Round to the nearest tenth if necessary. ( x^2 - 8x - 1 = 8 )

Solve each equation by completing the square. Round to the nearest tenth if necessary. ( x^2 + 3x + 21 = 22 )