Solving Quadratics Using the Square Method

x² = 16

• ± 4

• ± 8

• 4

• 8

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

Solve for x     x² - 4 = 76

• x = 4 , -4

• x = 4√5    ,  -4√5

• x = 80   ,  x = -80

• x = 5√4    or    -5√4

• A
• B
• C
• D

Solve the following quadratics equation by completing the square...

x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

• 6

• 36

• -13

• 19

• 12

• 23

• 49

• 7

Mr. Jones wants to solve the quadratic equation by completing the square. What values will go in the Box A and Box B? Write the values in the boxes.

• Box A = 4

  Box B = 4

• Box A = 16

  Box B = 16

• Box A = 4

  Box B = 16

• Box A = 8

  Box B = 64

• Box A = 8

  Box B = 16

Mr. Jones wants to solve the quadratic equation by completing the square. What values will go in the Box A and Box B? Write the values in the boxes.

• Box A = 4

  Box B = 4

• Box A = 16

  Box B = 16

• Box A = 4

  Box B = 16

• Box A = 8

  Box B = 64

• Box A = 8

  Box B = 16

Solve (x+2)²=5

• x=-2+√5

• x=-2+√5, x=-2-√5

• x=√3

• x=√3, x=-√3

Mr. Jones wants to solve the quadratic equation by completing the square. katex latex="x^2-8x=12" What values will go in the Box A and Box B? Write the values in the boxes.

• Box A = 4

  Box B = 4

• Box A = 16

  Box B = 16

• Box A = 4

  Box B = 16

• Box A = 8

  Box B = 64

• Box A = 8

  Box B = 16