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16 Cards in this Set
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Quadratic Formula

b+or the square root of b squared  4ac over 2a


To find the discriminant

b squared  4ac


When b squared  4ac equals 0

one solution, one xint, one real solution, vertex of parabola


When b squared  4ac is greater than 0

2 solutions, 2 xints, 2 real solutions, 2 real zeros


When b squared  4ac is less than 0

2 complex (imaginary solutions), no xints


Vertex Form

yk=a(xh) squared


If a is positive, which way does the parabola face?

up


If a is negative, which way does the parabola face?

down


To find the vertex of the standard form

h=b over 2a


After finding h, how do you find k for the vertex?

plug in your answer for h into the original equation


When solving radical equations, if the denominator is odd there are how many answers?

one


When solving radical equations, if the denominator is even, what do you do?

Square it to get more than one answer
