Sketching quadratic graphs (Part 2)

Sketching quadratic graphs (Part 2)

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Lesson details

Key learning points

  1. 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.

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5 Questions

Q1.
What are the roots of the quadratic equation?
An image in a quiz
x = -1.5
x = 2 and x = -4.5
Correct answer: x = 2 and x = -5
x= -10
Q2.
What is the y-intercept of the quadratic equation?
An image in a quiz
(-10,0)
(0,-10)
Correct answer: (0,10)
(10,0)
Q3.
What is the y-intercept?
An image in a quiz
(0,-36)
(0,-6)
Correct answer: (0,36)
(0,6)
Q4.
What are the roots of this equation?
An image in a quiz
x = -4 and x = -9
Correct answer: x = -6
x = 6
x= 4 and x = 9
Q5.
What are the roots of this equation?
An image in a quiz
x = -4 and x = -10
Correct answer: x = -5 and x = -9
x = 4 and x = 10
x= 5 and x = 9

5 Questions

Q1.
What are the roots of this graph
An image in a quiz
Others
x = -8
x = 2 and x = -4
Correct answer: x=-4 and x = 2
Q2.
What is the y-intercept?
An image in a quiz
y = -2
y = -4
Correct answer: y = -8
Q3.
What is the equation of this graph?
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Correct answer: A
B
C
D
Q4.
Which graphs shows y = x^2 + 6x + 8
An image in a quiz
Correct answer: f (red)
g (blue)
Q5.
Which line is correct?
An image in a quiz
roots are x=0 and x = -81, y intercept is 0
Correct answer: 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

Lesson appears in

UnitMaths / Quadratic equations (9.10)