Functions/Graphs (Junior Cert Mathematics): Flashcards

📚Flashcards
Practice Problems
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

12 cards from this deck

Show

f(1)f(1) where f(x)=2x2−3x+4f(x) = 2x^2 - 3x + 4

33

f(−2)f(-2) where f(x)=2x2−3x+4f(x) = 2x^2 - 3x + 4

1818

xx when f(x)=17f(x) = 17 for f(x)=5x−8f(x) = 5x - 8

x=5x = 5

Roots of a function definition

Points where function crosses x-axis (y=0y = 0)

Roots of f(x)=x2−5x+6f(x) = x^2 - 5x + 6

x=2x = 2 and x=3x = 3

Methods to find quadratic roots

Factorisation or quadratic formula

xx where f(x)=g(x)f(x) = g(x) for f(x)=3x+2f(x)=3x+2, g(x)=2x+5g(x)=2x+5

x=3x = 3

Shape of linear function graph

Straight line

How to graph a linear function

Calculate yy for each xx, plot points, connect with line

Finding xx from given f(x)f(x) value

Work backward, undo each operation step by step

Process of evaluating a function

Replace xx with given number and calculate

Where two functions intersect means

Both functions give same output for same xx input

Explore Junior Cert Mathematics Revision Notes by Topics

Explore Junior Cert Mathematics Model Answers by Topics

Explore Junior Cert Mathematics Quizzes by Topics

Explore Junior Cert Mathematics Exam Questions by Topics

Join 100,000+ Junior Cert students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.