Solving Quadratic Equations by Factorising (equations with an x squared) (Junior Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
ShowHide
Practise the questions
11 questions from this quiz
What is the standard form of a quadratic equation?
What is the standard form of a quadratic equation?
In , what does represent?
In , what does represent?
The variable we're solving for
Why do we factorise quadratic equations?
Why do we factorise quadratic equations?
To break them into easier pieces
When is the Guide Number Method especially helpful?
When is the Guide Number Method especially helpful?
When the coefficient of is not 1
How do you find the Guide Number?
How do you find the Guide Number?
Multiply coefficient of by constant term
In Step 3, what must the correct factor pair do?
In Step 3, what must the correct factor pair do?
Add up to the middle number
Why do we rewrite the middle term in Step 4?
Why do we rewrite the middle term in Step 4?
To make grouping possible
What does factoring by grouping produce?
What does factoring by grouping produce?
Two binomials
In Step 6, what do you set each binomial equal to?
In Step 6, what do you set each binomial equal to?
Zero
How many solutions should you expect for a quadratic equation?
How many solutions should you expect for a quadratic equation?
Two
What is the first step in the Guide Number Method?
What is the first step in the Guide Number Method?
Find the Guide Number
