PSOD Lecture 2. MathCAD – vectors and matrix Matrix operations Matrix operations –Multiply by constant –Matrix transpose [ctrl]+[1] –Inverse [^][-][1]
Information throughout this presentation is taken from Google ...
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X-intercept Roots Zeros Hits ground/water ~=0 Crosses x-axis (~,0) y1= equation y2=0 2nd Trace 5 MOVE Enter Enter Enter Graphing Method: Table Method:
X-intercept Roots Zeros Hits ground/water ~= 0 Crosses x-axis (~,0)
1. Use the discriminant to determine the number and type of roots of: a. 2x 2 - 6x + 16 = 0b. x 2 – 7x + 8 = 0 2. Solve using the quadratic formula: -3x.
September 24 th, 2015 Questions? In past years we studied systems of linear equations. We learned three different methods to solve them. Elimination,
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