Steps to Complete the Square

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

• square it

• divide it by 2 and square the result

• divide it by 2 and take the square root of the result

• divide it by 2 only

Find the missing value "c" to create a perfect square trinomial:

x² + 26x + ___

• 13

• 136

• 169

• 26

What are the first steps to complete the square on this equation? 4x²-24x-12 = 0

• Divide b by 2 and square the result.

• Add 12 to both sides and then divide by 4.

• Factor the left side of the equation.

• Multiply a times c and find factors that add to make b.

• 25

• 20

• 10

• -5

• 5

• -10

Mathematical Equivalence

OFF

Solve for the POSITIVE SOLUTION ONLY of x by completing the square. ROUND to the nearest hundredth (2 decimal places).

Mathematical Equivalence

ON

Solve for the POSITIVE SOLUTION ONLY of x by completing the square. ROUND to the nearest hundredth (2 decimal places).

Mathematical Equivalence

ON

• 8

• 64

• 16

• 4

• 256

Match the following quadratic equations with the correct step when completing the square.

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

3x^2+36x-15=0

Mathematical Equivalence

ON