Vocab
Quadratics in vertex form
More vocab
Factor/Solve
Graph
100
The highest or lowest point ?
Vertex / Max/ Min
100
Vertex of : y=2(x-3)2+4
(3,4)
100
The graph of a quadratic function is called a ?
Parabola
100
Factor b2 + 8b + 7
(b + 7)(b + 1)
100
What is the vertex ?
(3,-1)
200
A polynomial function of degree 2.
y=x^2
Quadratics
200
Vertex of y= (x + 4)2 - 32
(-4,-32)
200
What is the formula to find the Axis of Symmetry ?
x = -b/2a
200
Factor m2 + m − 90
(m − 9)(m + 10)
200
Quadratic equations take the shape of a what when graphed.
u or parabola
300
What is the point(s) where y=0 also known as?
The roots or the zeroes or the x-intercepts
300
What causes the graph of y = x2 to open downward?
When "a" is negative
300
The place the graph crosses the x axis ?
x intercept
300
Factor b2 + 16b + 64
(b + 8)2 or (b+8)(b+8)
300
Write the equation in VERTEX FORM ?
y = (x+2)2 + 1
400
Vertex form ?
Y= a(x-h)2+k
400
The vertex for the parabola represented by the equation y= 2(x + 3)2 - 8?
(-3, -8)
400
What divides the parabola in half, resulting in it mirroring itself ?
Axis of symmetry
400
Factor 5v2 − 30v + 40
5(v − 2)(v − 4)
400
Name the zeroes ?
0 and 4
500
Three characteristics of quadratics ?
Any 3 charateristics we have learned so far. (ie: parabola, symmetrical, non-linear, x2, two x-intercepts/roots, max/min)
500
A parabola that opens downward with a vertex at (0, -5) and is vertically shrunk by a factor of 1/2?
y = -1/2(x + 5)2
500
How does the value for "h" transform a graph?
Horizontal Shift (move left or right)
500
Solve:
5n2 + 19n + 12 = 0
n = -4/5 n = -3
500
what are the solutions ?
1 and 3