Completing the Square (Grade 11 NSC Matric Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main purpose of completing the square?
What is the main purpose of completing the square?
To solve quadratics that can't be factorised
When is completing the square particularly useful?
When is completing the square particularly useful?
To find exact irrational solutions
What is Step 2 in completing the square?
What is Step 2 in completing the square?
Make the coefficient of equal to 1
In Step 3, what do you do with the coefficient of ?
In Step 3, what do you do with the coefficient of ?
Take half of it and square it
After completing the square, which two methods can you use to solve?
After completing the square, which two methods can you use to solve?
Square root method or difference of squares
For , what value must be added and subtracted in Step 3?
For , what value must be added and subtracted in Step 3?
25
What is the perfect square form of ?
What is the perfect square form of ?
What critical symbol must you always remember when taking square roots?
What critical symbol must you always remember when taking square roots?
The ± sign
For , what must you do first?
For , what must you do first?
Divide entire equation by 2
When are solutions irrational in completing the square?
When are solutions irrational in completing the square?
When there's no perfect square under the root