Polynomials Flashcards
1
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2
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3
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4
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5
Q
In the form x^2 + ax +b =0 what can you tell about the roots?
A
If a^2 > 4b there are two real roots
If b<0 then one root is negative and one root is positive
If b> 0 then both roots are positive or negative
If a>0 then the mean of the roots is negative
6
Q
What are the uses of completing the square ?
A
Reduces the number of times a variable appears from two to one.
Trying to work out inequalities for the variable
7
Q
A
PAY ATTENTION TO THE QUESTION and what it is asking you
8
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9
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10
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11
Q
Express in the form
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12
Q
State the remainder Therom
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13
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14
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15
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16
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A. Factor Theorem- simultaneous equations
17
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18
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19
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20
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21
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22
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23
Q
Written Question
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24
Q
Written Questions
A
