chap. 5.1: Graphing Quadratics

quadratic function/standard form

y=ax²+bx+c

parabola

the u shape graph of the quadratic

vertex

the highest or lowest point on the graph

axis of symmetry

the vertical line through the vertex

equation for finding the vertex of a quadratic function

#NAME?

equation for finding the axis of symmetry of a quadratic function

#NAME?

vertex form

y=a(x-h)²+k

what is the vertex in vertex form?

(h,k)

intercept form

y=a(x-p)(x-q)

what are the x intercepts of intercept form?

p and q

where is the axis of symmetry in intercept form?

halfway between (p,0) and (q,0)

what is the equivalent of "i"?

square root of negative one

what does i² mean?

-1

what is the standard form of a complex number?

a+bi

where is the imaginary axis?

y axis

where is the real axis?

x axis

what is the absolute value of a complex number?

a non-negative real number

what is the equation for the absolute value of a complex number?

square root of a²+b²