LINEAR EQUATIONS IN 2 UNKNOWNS
What’s in for today?What’s in for today?????
o Learn how to form linear equationo Draw a graph using ordered pairso Find solutions of linear equations.
Have you ever seen this???
COUNTRY STORY… …
EXPLORATIVE ACTIVITY – (A)
How many can each plot of land produce?
39
How many can each plot of land produce?
22
EXPLORATIVE ACTIVITY – (A)
If I have number of land, how many green peppers can I harvest?
Total number of
x
x39
If I have number of land, how many corns can I harvest?
Total number of
y
y22
EXPLORATIVE ACTIVITY – (A)
Total number of and
yx 2239
?? ?Unknowns
EXPLORATIVE ACTIVITY – (B)
2(a) Total number of baskets of vegetables
2s + t = 10 (b) 2 unknowns
EXPLORATIVE ACTIVITY – (B)
(c)t s
10 0
6 2
4 3
0 5
EXPLORATIVE ACTIVITY – (B)
2s + t = 10
SUMMARY
satisfy the equation. lie on the straight line.
For a linear equation in two unknowns, solutions
