Year 9
These resources will be removed by end of Summer Term 2025.
Switch to our new teaching resources now - designed by teachers and leading subject experts, and tested in classrooms.
Lesson details
Key learning points
- In this lesson, we will use the shape, roots and y-intercept to sketch the graph.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
5 Questions
Q1.
What are the roots of the quadratic equation?

x = -1.5
x = 2 and x = -4.5
x= -10
Q2.
What is the y-intercept of the quadratic equation?

(-10,0)
(0,-10)
(10,0)
Q3.
What is the y-intercept?

(0,-36)
(0,-6)
(0,6)
Q4.
What are the roots of this equation?

x = -4 and x = -9
x = 6
x= 4 and x = 9
Q5.
What are the roots of this equation?

x = -4 and x = -10
x = 4 and x = 10
x= 5 and x = 9
5 Questions
Q1.
What are the roots of this graph

Others
x = -8
x = 2 and x = -4
Q2.
What is the y-intercept?

y = -2
y = -4
Q3.
What is the equation of this graph?

B
C
D
Q4.
Which graphs shows y = x^2 + 6x + 8

g (blue)
Q5.
Which line is correct?

roots are x=0 and x = -81, y intercept is 0
roots are x=0 and x = 81, y intercept is 81
roots are x=9 and x = -9, y intercept is 81