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Published byBryan Coyle
Modified over 4 years ago
Ex: Solve x 2 + 6x +10 = 0 a = b = c = 1 st 2 nd
Solve x 2 + 7x +14 = 0 a = b = c = 1 st 2 nd
Questions on any previous hw?
Graphing in the Complex Plane
The Complex Plane
Graphing in the complex plane
Absolute Value of a Complex Number The distance the complex number is from the origin on the complex plane. If you have a complex number (a + bi) the absolute value can be found using:
Find the absolute value of the complex number. 1. 15 + 8i
Find the absolute value of the complex number. 2. -5 + 6i
Find the absolute value of the complex number. 3. -2 – 4i
Find the absolute value of the complex number. 3. 9i
Examples 1. 2. Which of these 2 complex numbers is closest to the origin (smallest distance)? -2+5i
Try These!!! 1. 2. Which of these 2 complex numbers is closest to the origin? 3i3i
Assignment p.19 #1 – 17 p. 20 #1 – 8 p.94 #8, 10
TWO STEP EQUATIONS 1. SOLVE FOR X 2. DO THE ADDITION STEP FIRST
3.9 Solving Systems of Equations in Three Variables
3.5 Solving Systems of Equations in Three Variables Mrs. Spitz Fall 2006.
Solving Systems of Equations by Substitution Objectives: Solve Systems of Equations using substitution. Solve Real World problems involving systems of.
1 Copyright © 2010, Elsevier Inc. All rights Reserved Fig 2.1 Chapter 2.
By D. Fisher Geometric Transformations. Reflection, Rotation, or Translation 1.
Solving Absolute-Value Inequalities
and 6.855J Cycle Canceling Algorithm. 2 A minimum cost flow problem , $4 20, $1 20, $2 25, $2 25, $5 20, $6 30, $
Jeopardy Q 1 Q 6 Q 11 Q 16 Q 21 Q 2 Q 7 Q 12 Q 17 Q 22 Q 3 Q 8 Q 13
Coordinate Plane Practice The following presentation provides practice in two skillsThe following presentation provides practice in two skills –Graphing.
Frigid Fridays On each Friday last January, the temperature was a record low temperature for the date. On Friday, January 30, the mercury dropped to 5°F,
0 - 0.
DIVIDING INTEGERS 1. IF THE SIGNS ARE THE SAME THE ANSWER IS POSITIVE 2. IF THE SIGNS ARE DIFFERENT THE ANSWER IS NEGATIVE.
MULTIPLYING MONOMIALS TIMES POLYNOMIALS (DISTRIBUTIVE PROPERTY)
ADDING INTEGERS 1. POS. + POS. = POS. 2. NEG. + NEG. = NEG. 3. POS. + NEG. OR NEG. + POS. SUBTRACT TAKE SIGN OF BIGGER ABSOLUTE VALUE.
MULTIPLICATION EQUATIONS 1. SOLVE FOR X 3. WHAT EVER YOU DO TO ONE SIDE YOU HAVE TO DO TO THE OTHER 2. DIVIDE BY THE NUMBER IN FRONT OF THE VARIABLE.
SUBTRACTING INTEGERS 1. CHANGE THE SUBTRACTION SIGN TO ADDITION
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