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September 30th, 2013

9/30/2013

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Nature of Quadratic Roots Section 2.2

Today we started 2.3 using the discriminant to discover if a quadratic curve had 
  • 2 real different roots
  • 1 real root (ie 2 real roots that are the same)
  • No real roots (2 imaginary roots)

Class notes are uploaded (click here).
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September 27th, 2013

9/27/2013

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Today we looked at questions from Section 2.4 Solving problems using quadratic and linear equations (click here).

HW - Prepare for test on Thursday.
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September 26th, 2013

9/26/2013

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Today we corrected HW from 2.3 on Quadratic simultaneous equations (click here).

We then introduced Section 2.4 solving problems using simultaneous quadratic equations looking at Example 1 and 2 in the book..

HW: Exercise 2.4 Q. 1, 4, 7, 15
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September 25th, 2013

9/25/2013

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Today we looked at more examples of quadratic with linear simultaneous equations Section 2.3 (click here).

HW Ex. 2.3 Q. 12-14
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September 24th, 2013

9/24/2013

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Today we corrected 1.9 Q.14 (click here)

We looked at a few examples of how to solve quadratic equations by factorising and by using the quadratic formula see Section 2.1 then we introduced Section 2.3 solving quadratic and linear simultaneous equations (click here)

HW - Section 2.3 Q. 5-7
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September 23rd, 2013

9/23/2013

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Today we corrected simultaneous equations questions solving for x, y and z. We then looked at problems involving simultaneous equations. Class notes are uploaded (click here).

HW - Questions from section 1.9 including Q.14
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September 20th, 2013

9/20/2013

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Section 1.9 Solving simultaneous equations with 3 variables also called the intersection of three planes (click here).

HW: Ex.1.9 Q. 5 & 6
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3 planes intersecting at a point
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September 19th, 2013

9/19/2013

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Today we revised solving simple linear equations - Section 1.8 (click here).

We then looked at Section 1.9 looking at two methods for solving simultaneous equations - The Elimination and The Substitution methods(click here).

HW: 
  • Section 1.8 Q. 6 parts i and ii
  • Section 1.9 Q.2


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September 18th, 2013

9/18/2013

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Today many students were absent due to choir practice so we did did not cover any new material.

We corrected the HW on patterns (click here)
We revised some questions from Section 1.5 on Identities involving long division  (click here).
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September 17th, 2013

9/17/2013

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Today we corrected HW from Section 1.6 - Manipulating Formula (click here).

We then introduced Algebraic Patterns Section 1.7 (click here).

HW: Sec. 1.7 Q.1
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