Formulae/Concepts Needed:
> Factorisation Methods
> Completing the Square
> The Quadratic Formula
> Discriminants
> Linear and Quadratic Inequalities
> Gradients
> Midpoints
> Distance Formula
> Intersection of lines and curves
Here is the copy of the practice exercises on Quadratics and Coordinate Geometry. The file contains five (10) items. It contains:
- List of formulas needed
- Problems on quadratics and inequalities
- Problems involving discriminants
- Problems involving basic concepts of coordinate geometry
For the complete list of the past paper items on quadratics and coordinate geometry, you may download on the following link:
If you would like to learn more about algebraic identities involving quadratics, you may watch the following playlist on algebraic identities.
>>>PLAYLIST LINK HERE<<<
You may also want to answer the other collection of past paper items here:
>>> PAST PAPER ITEMS on Coordinate Geometry (Circles) <<<
>>> PAST PAPER ITEMS (Collection of various topics) <<<
Your comments and suggestions are welcome here. Write them in the comment box below. Thank you and God bless!
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ANSWER KEY:
ReplyDelete1) 2(x - 3)^2 - 11
2) (i) (2x - 3)^2 - 9
(ii) -1/2 < x < 7/2
3) m < - 10 and m > 2
4) (i) 3x - 2y - 13 = 0
(ii) C(9, 7)
5) (i) p = 4 or p = -11/5
(ii) p = 3
6) (i) 16t^2
7) (i) M(5/2, 5/2)
(ii) (-2, 16)
8) a = 6, b = 3
9) a = -2 or 8; b = 12 or -8
10) (i) X(11, 8)
(ii) 3:1