Forming Quadratic Equation from the Roots (Junior Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are roots of a quadratic equation?
What are roots of a quadratic equation?
The solutions to the equation
What happens when you substitute a root into its quadratic equation?
What happens when you substitute a root into its quadratic equation?
The equation equals zero
In Method 1, what is the first step when forming a quadratic from roots?
In Method 1, what is the first step when forming a quadratic from roots?
Let equal both of the roots
If is a root, what factor equals zero?
If is a root, what factor equals zero?
If is a root, what factor equals zero?
If is a root, what factor equals zero?
In Method 1, what do you do after creating the two factors?
In Method 1, what do you do after creating the two factors?
Multiply the two factors together
What is the formula for Method 2?
What is the formula for Method 2?
If the roots are and , what is their sum?
If the roots are and , what is their sum?
If the roots are and , what is their product?
If the roots are and , what is their product?
In the formula, what does the sum of the roots give you?
In the formula, what does the sum of the roots give you?
The middle term
In the formula, what does the product of the roots give you?
In the formula, what does the product of the roots give you?
The constant term
What is a characteristic of Method 2?
What is a characteristic of Method 2?
It is quick and direct