Math 30 College Algebra January 24, 2000

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Math 30 --- College AlgebraJanuary 24, 2000

• Section 1.2, 1.3, Abs Val questions
• Section 1.4
• Assignment 5
• Break
• Section 1.5
• Assignment 6

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AnnouncementsJanuary 24, 2000

• Distance Students --- Contact me!!
• Section 1.1 due Today
• Section 1.2, 1.3, Abs Val due Wednesday

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Regression on your calculator

• Enter data EDIT 1Edit
• Set up plot 1Plot1
• Set domain and range
• Graph (clear y menu)
• Compute line of best fit
  CALC 4LinReg
• LinReg L1, L2, y1 (under Y-VARS)

STAT
STAT PLOT
WINDOW
GRAPH
STAT
VARS
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Assignment 5

• Read 1.5 - 1.6
• Homework 1.4 pbs 1-11 (odd), 15, 16,
  19

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Distance Formula
The distance, d, between any two points
and is given by
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Midpoint Formula
If the endpoints of a segment are and ,
then the coordinates of the midpoint are
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Circles
A circle is a set of points in the xy-plane that
are a fixed distance r from a fixed point (h,k).
The fixed distance r is called the radius, and
the point (h,k) is called the center of the
circle.
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Equations of Circles
Standard Form General Form
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Assignment 6

• Read 1.5 - 1.6
• Homework 1.5 pbs 3-39 (every 3rd), 41-44,
  48, 49, 50, 57