The Discriminant

Helping to embed the meanings of the terms 'two real roots' 'one repeated root' and 'no real roots'. 

?
If b²-4ac < 0 then the equation has...
No real roots or points of intersection with the x axis
1 of 4
what would the discriminant be for a graph with two real roots?
b²-4ac > 0
2 of 4
If b²-4ac = 0 then the equation has...
one repeated root
3 of 4
16 has...
irrational roots
4 of 4

Other cards in this set

Card 2

Front

what would the discriminant be for a graph with two real roots?

Back

b²-4ac > 0

Card 3

Front

If b²-4ac = 0 then the equation has...

Back

Preview of the front of card 3

Card 4

Front

16 has...

Back

Preview of the front of card 4

Comments

Hannah

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root 16 = 4 so it has rational roots (I think)!

Samuele1

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root 16 is actually + or - 4 so it can be 1 of 2 answers so this is in fact, irrational and NOT rational m8

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