Factors
Quadratics in vertex form
Vocab
Factor
Graph
100
What are the positive factors of 4?
1, 2, 4
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
What are the positive factors of 15?
1, 3, 5, 15
200
Vertex of y= (x + 4)2 - 32
(-4,-32)
200
Where the function crosses the y-axis is called the...
y-intercepts
200
Factor m2 + m − 90
(m − 9)(m + 10)
200
Quadratic equations take the shape of a what when graphed.
u or n
300
What are the positive factors of 24?
1, 2, 3, 4, 6, 8, 12, 24
300
What change must be made for the graph of y = x2 to open downward?
Multiply x2 by a negative number.
300
Parabolas that have a maximum face in which direction?
Downward
300
Factor b2 + 16b + 64
(b + 8)2 or (b+8)(b+8)
300
How many solutions does this graph have?
No solution
400
What are the positive factors of 56?
1, 2, 4, 7, 8, 14, 28, 56
400
The vertex for the parabola represented by the equation y= 2(x + 3)2 - 8?
(-3, -8)
400
When factoring a quadratic expression what two mathematical operations are we using to determine the factors?
Product and sum
400
Factor 5v2 − 30v + 40
5(v − 2)(v − 4)
400
What are the zeros of the function?
0 and 4
500
What are the positive factors of 71?
1, 71
500
A parabola that opens upward with a vertex at (0, -5)?
y = (x + 5)2
500
What transformations make the graph wider/shorter?
Horizontal stretch and vertical compression.
500
Factor 5n2 + 19n + 12
(5n + 4)(n + 3)
500
What are the zeros of this quadratic?
1 and 3