SOLUTION: F(x)=X^2+2x-5 What is the vertex ? What is the "axis of symmetry" ? Does this function have a maximum or a minimum ? How many roots does this function have ? What kind of ro

Question 1013849: F(x)=X^2+2x-5
What is the vertex ?
What is the "axis of symmetry" ?
Does this function have a maximum or a minimum ?
How many roots does this function have ?
What kind of roots does this function have ?
What are the roots of this function?
What solution methods will NOT work to solve this quadratic function ?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
F(x)=X^2+2x-5
What is the "axis of symmetry" ?
It's x = -b/2a
= -2/2 --> x = -1
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What is the vertex ?
It's (-1,f(-1)) = (-1,-6)
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Does this function have a maximum or a minimum ?
Minimum
--------------------
How many roots does this function have ?
2
All quadratics have 2 roots.
--------------
What kind of roots does this function have ?
Disc = b^2 - 4ac = 4 - 4*(-5) = 24
Disc > 0 --> 2 real roots.
--------------
What are the roots of this function?

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What solution methods will NOT work to solve this quadratic function ?
It can't be factored.
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