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Flashcards in CH2 Deck (4)
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1
Q

Depending upon the answer to the discriminant from a quadratic what does it mean in term of the number of roots?

A

If b^2-4ac>0 then there are two distinct roots of the quadratic
If b^2-4ac=0 then there is only one root to quadratic
If b^2-4ac

2
Q

In a quadratic equation, depending upon the value of “a” then how is the shape of the graph determined?

A

a>0 then it’s a U shape

a

3
Q

If Y=Ax^2 + Bx then complete the square

A

Y = (X+b/2)^2 - (b/2)

4
Q

What is the discriminant?

A

b^2-4ac