Name: ______Date: ______Period: ______

Algebra 1 Core Values: TENACITY INTEGRITY GO-FOR-IT ENCOURAGE REACH-OUT

Homework: Unit 9a, Day 4: Identify Key Features from the Table

f(x) = -x2 + 10x – 16
x / f(x)
1 / 0
2 / 5
3 / 8
4 / 9
5 / 8
6 / 5
7 / 0
Vertex:
Axis of Sym: /
Roots: / y = x2 – 4x + 4
x / y
-1 / 9
0 / 4
1 / 1
2 / 0
3 / 1
4 / 4
5 / 9
Vertex:
Axis of Sym: /
Zeros:
g(x) = x2 + 2x – 15
x / g(x)
-5 / 0
-4 / -7
-3 / -12
-2 / -15
-1 / -16
0 / -15
1 / -12
2 / -7
3 / 0
Vertex: x-intercepts:
Axis of Sym: / h(x) = x2 + 6x + 5
X / h(x)
-5
-4
-3
-2
-1
0
1
Vertex: Solutions:
Axis of Sym:

Review

  1. Students in a group of chess teams submitted data about hours of team practice and the number of matches the team won. The graph shows the results of the data.
If the team won 11 matches, what is the best estimate of
the number of hours practiced each week?
  1. Solve and graph the following linear inequality:


X / Y
-12 / -4
-7 / 2
-2 / 8
3 / 14
8 / 20
13 / 26
18 / 32
X / Y
0 / 0
1 / 4
2 / 9
3 / 12
4 / 15
5 / 20
6 / 23
  1. Determine if the following tables represent a linear funtion an exponential funtion, or neither.
X / Y
-5 / 64
-4 / 32
-3 / 16
-2 / 8
-1 / 4
0 / 2
1 / 1