1. U7D14 Have out: Bellwork: Pencil, red pen, highlighter, notebook
Determine all the zeros and sketch the graph of y = P(x). Label all intercepts!
(Hint: Use the Rational Root Theorem and synthetic division) +1 +1
factors of 4
±1,
±2, ±4
±1,
±2, ±4
factors of 1 ±1
total:

2. ±1,
±2, ±4 +1
try: x = 1 1 5 3 –5 –4 1 6 9 4 +1 1 ☺ 1 6 9 4 +1 +1
try: x = –1 1 6 9 4 –1 –5 –4 +1 –1 1 5 4 ☺ +1 4 4 1 5
+1 completely factored

3. 0 = (x – 1)(x + 1)2(x + 4) x – 1 = 0 x + 1 = 0 x + 4 = 0 y P(x) x = 1
+1 equal to zero
0 = (x – 1)(x + 1)2(x + 4)
x – 1 = 0 x + 1 = 0 x + 4 = 0
+1 ZPP y
P(x)
x = 1
x = –1
x = –4
zeros:
x = –4, –1, –1, 1 +3
double zero
(–4, 0)
(–1, 0)
(1, 0) x
+1 labeled x–intercepts
+1 labeled y–intercept
(0, –4)
+1 end behavior
+1 overall graph
total:

4. It’s time for the study team test!
Move into your groups and work on the test.
It is due tomorrow!