Homework Log Tues 11/17 Lesson 4 – 1 Learning Objective: To find difference quotients & to graph functions Hw: #401 Pg. 220 #1 – 8 all, 37 – 49 odd.

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Presentation transcript:

Homework Log Tues 11/17 Lesson 4 – 1 Learning Objective: To find difference quotients & to graph functions Hw: #401 Pg. 220 #1 – 8 all, 37 – 49 odd

11/17/15 Lesson 4 – 1 Distance Formula & Parabolas Day 1 Advanced Math/Trig

Learning Objective To find distance between two points To graph parabolas

Distance Formula

2. Find the shortest distance between (4, 3) and the line x = –5. Find the distance between (4, 3) and (– 5, 3) Is the perpendicular line drawn from the point to the given line (4, 3) x = –5 (–5, 3)

Quadratic Function Graph is an up/down parabola

Quadratic Function Graph is a sideways parabola

Quadratic Function If a > 0 (positive) Opens up or RIGHT If a < 0 (negative) Opens down or LEFT

Graph xy –5 1 –1 0 1 –5 2 3 V( 3 1)

Graph xy V( 4 3)

Graph xy X X – V( 2 1)

Graph xy 6 3 –1 0 X X 2 3 V( 2 1)

Graph xy –2 –1 X X V( 0 3)

Graph V(1, –4) (3, 0) (–1, 0)

Graph V(4, 3) (0, 5) (0, 1)

Ticket Out the Door

Homework #401 Pg. 220 #1 – 8 all, 37 – 49 odd