Forming Quadratic Equation from the Roots (Junior Cert Mathematics): Flashcards
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Practise the cards
11 cards from this deck
Roots of a quadratic equation
Roots of a quadratic equation
Solutions to a quadratic equation
Roots make the equation equal to what value?
Roots make the equation equal to what value?
Zero
Method 1 Step 1 for forming quadratic from roots
Method 1 Step 1 for forming quadratic from roots
Let equal both roots
Method 1 Step 2 for forming quadratic from roots
Method 1 Step 2 for forming quadratic from roots
Create two factors that equal zero
Method 1 Step 3 for forming quadratic from roots
Method 1 Step 3 for forming quadratic from roots
Multiply the two factors together
Property used to expand factors in Method 1
Property used to expand factors in Method 1
Distributive property
Method 2 formula for quadratic from roots
Method 2 formula for quadratic from roots
Method 2 Step 1 for forming quadratic from roots
Method 2 Step 1 for forming quadratic from roots
Find the sum of the roots
Method 2 Step 2 for forming quadratic from roots
Method 2 Step 2 for forming quadratic from roots
Find the product of the roots
Sum of roots gives this term
Sum of roots gives this term
Middle term
Product of roots gives this term
Product of roots gives this term
Constant term