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Lesson details
Key learning points
- In this lesson, we will solve quadratic equations that first need to be rearranged.
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.
Find the solutions to 'A'
y = - 5 and y = -2
y = 5 and y = 2
y=7 and y = 3
Q2.
Find the solutions to 'B'
y = -5 and y = -3
y = 5 and y = 10
y= 5 and y = 3
Q3.
Find the solutions to 'C'
y = 0 and y = 10
y = 1 and y = 10
y= 1 and y = -10
Q4.
Find the solutions to 'D'
y = 0 and y = -100
y = 10
Q5.
Find the solutions to 'E'
y = 81
y = 9
5 Questions
Q1.
A quadratic equation must have two solutions. True or false?
True
Q2.
what are the solutions to the quadratic equation in question a?
x = -3 or x = -15
x = -5 or x = -9
x= - 15 and x = -3
Q3.
what are the solutions to the quadratic equation in question b?
x = -14 or x = -3
x = 14 or x = 3
x = 6 or x = 7
Q4.
what are the solutions to the quadratic equation in question c?
x = -3 or x = 7
x = -4 or x = 4
x= 3 and x = -7
Q5.
what are the solutions to the quadratic equation in question d?
x = -1 or x = 7
x = 0 or x = -6
x = 0 or x = 6