Completing the Square and Solving Quadratic Equations Fill in Multiple Blanks Interactive

Type your answers in the blanks and click Submit.

Question 3

Fill in the blanks to transform the quadratic equation y equals x squared plus 4 x plus 3 into vertex form by completing the square.

Submit

Answer: Correct! Go to question 4. Incorrect. The answer is:

y equals x squared plus 4 x plus 3

Completing the square:
y equals 1 times the quantity x squared plus 4 x plus 4 plus 3 minus 4

Factor:
y equals one times the quantity x plus 2 squared minus 1

Go to question 4. Incorrect. Refer to the ‘Steps for Completing the Square’ to help you, and try again.