Quadratics Completing the Square

• 1 and -12

• -1 and -9

• 1 and -9

• 1 and -1

Solve the equation by completing the square and finding the roots.

• 3 and -1

• 4 and -4

• 5 and -3

• 8 and -7

What do you do to the 'b' value to correctly complete the square?

• square it and then add the result to both sides

• divide by it 2, square the result, then add the result to both sides

• divide it by 2, take the square root of it and then add the result to both sides

• only divide it by 2 and add the result to both sides

Solve by completing the square. Round to the nearest 10th. Hint: move the 5 FIRST, and you MUST have a leading coefficient of 1!

• -0.4 and -3.4

• -2.3 and 4.3

• -3.6 and 1.6

• no solution

Lori is completing the square to solve the quadratic equation. Which equation is the result of correctly completing the square?​

Solve by completing the square. Write the answer as #+-square root. k² − 12k + 23 = 0

Mathematical Equivalence

ON

Solve by completing the square. Write the answer as #+-square root.

x^2+4x-16=0

Mathematical Equivalence

ON

• 25

• 20

• 10

• -5

• 5

• -10

• 8

• 64

• 16

• 4

• 256