2. Functions
Completing The Square — Quiz
Test your understanding of completing the square with 5 practice questions.
Practice Questions
Question 1
What is the completed-square form of $x^2+6x+5$?
Question 2
Which value must be added to $x^2+8x$ to complete the square?
Question 3
Which expression is equivalent to $x^2-10x+21$ after completing the square?
Question 4
What is the vertex of the parabola $y=x^2-4x+7$?
Question 5
What is the minimum value of $f(x)=x^2+2x+9$?