Chapter 10/ Polynomials Flashcards
Polynomial
Expression with more than one term
Quadratic formula
2a
Parabola
Graph of a quadratic equation
Quadratic equation
Ax^2+bx+c
Vertex form
F(x)=a(x-h)^2+k
Vertex: h,k
Axis: x=h
Vertex
Lowest point on a parabola if it opens up, the highest if it opens down
Axis of symmetry
Vertical line through vertex of a parabola
Vertex of a parabola
(-b/2a), f(-b/2a)
Zeros
X-intercepts of a parabola, what x value makes the equation equal 0
Needed to know to graph a polynomial:
Y intercept
Zeros
End behavior
Maximums and minimums
Domain of functions
All real numbers
End behavior: even degree, a is positive
Up, up
End behavior: even degree, a is negative
Down, down
End behavior: odd degree, a is positive
Down, up
End behavior: odd degree, a is negative
Up, down