Rewrite standard form in vertex form. Find the vertex and

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November 02, 2015
Solve for x by completing the square.
Warm Up Monday November 2
#1) x2 + 8x – 5 = 0
#2) 2x2 – 20x + 60 = 0
Nov 2­8:08 AM
Notes #4 Continue
#5 3x2 + 12x + 15 = 0
Nov 2­8:08 AM
Rewrite standard form in vertex form. Find the vertex and y‐intercept. Check using x = −� 2� formula.
Nov 2­8:09 AM
Nov 2­8:08 AM
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Untitled.notebook
November 02, 2015
Word Problem (p.167)
The height y (in feet) of a baseball t seconds after it is hit can be modeled by the function y = ‐16t2 + 96t + 3. Find the maximum height of the baseball
Homework:
Omit: #13, 14, 15, and 16.
19 a & b ‐‐‐ bonus problem
#3, 4 and #9 – 12, use square roots, do not change to decimals
You will use ±√2, √10, √11, √26, √29, and √58.
How long does the ball take to hit the ground?
Write x = ___ ± √__ Nov 2­8:08 AM
Nov 2­8:08 AM
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