Year 11
Higher
Solving Quadratic Equations Graphically
Year 11
Higher
Solving Quadratic Equations Graphically
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Lesson details
Key learning points
- In this lesson, we will interpret graphs of quadratic equations in order to find their solutions. We will investigate the key features of quadratic graphs that help us identify their solutions.
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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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4 Questions
Q1.
True or False, here is the graph of 2x²+ 1?
True
Q2.
Here are four quadratic graphs. The red curve shows y = x². Which equation is the yellow curve labelled i?
A
B
D
Q3.
Here is a table of values for y = 3x²– 1 Which number is missing?
A
B
D
Q4.
Which option is true for f(x)= 0.5x² - 1 ?
B
C
D
4 Questions
Q1.
A
B
D
Q2.
A
B
C
Q3.
(-0.5, 0)
(0.5, 0) and (3.5, 0)
(0.5, 3.5)
Q4.
A
B
C