This document provides an overview of determining the point of intersection between two straight lines in a Mathematics Form 3 chapter on straight lines. It outlines two learning objectives: using the substitution method and elimination method to calculate the point of intersection from simultaneous equations. It presents sample problems determining the point of intersection using both methods and instructs students to solve similar problems using an online tool and test their understanding with a quiz.

1. MATHEMATICS FORM 3
CHAPTER9
:
Straight Line
T
eacher:
Nuridahbinti Zaimi

2. Graphical
method

3. Learning Objective:
1..Determine the point of the intersection of two
straight line
SuccessCriteria:
1. Calculate point of the intersection using
simultaneous equation using substitution method.
2. Calculate point of the intersection uisng
simultaneous equation using elimination method.

4. Howtodoyou
determ
ine the
point ofthe
intersectionof
twostraight
line?

10. Question#1
Determine the point of
the intersection the
following pair of the
straight lines using
substitution method.
a) y = -4x + 9
y = 2x -3

11. Question#2
Determine the point of
the intersection the
following pair of the
straight lines using
elimination method.
a) y = -4x + 9
y = 2x -3

12. Determine the
point of the
intersection the
following pair of
the straight lines
using substitution
method.
a) 2y – x = 4
y-x = -6
b) 4x + 3y = 6
3x + 4y = 1
Question#3

13. Determine the point
of the intersection
the following pair of
the straight lines
using elimination
method.
Question#3
a) 2y – x = 4
y - x = -6
b) 4x + 3y = 6
3x + 4y = 1

14. Click the classkick link to
solve the question.

15. Let’s test your understanding
in quizz:
GoodJob!

17. See youonournext session:
GoodJob!