Coordinate Geometry- YR 9S1 SMK 2021

Coordinate Geometry- YR 9S1 SMK 2021

by Teacher Henny

​Saturday 25th Sept 2021

​LO:

to be able to calculate the mid points of a line

​S2S:

​-able to identify x and y coordinates correctly.

​-able to correctly substitute coordinates in the formula.

​Recall what you did last lesson:

​Distance formula that you have covered last lesson.

​What is a Mid point? - It is a point mid way between 2 other points.

​Formula of a mid point

Poll

Can you follow the lesson so far?

• Yes, its straightforward

• Yes, after I look at the slides repeatedly.

• There are a few things that I am not sure.

• No, I struggle to follow this lesson.

Multiple Choice

What is the distance between the two points?

• 6.3
• 6.5
• 6.7
• 16

Multiple Choice

Find the midpoint of segment AB.

• (2, -4)

• (-1, 1)

• (-6, 4)

• (-2, 0)

Multiple Choice

Find the distance.

• 9.7
• 10.7
• 11.7
• 12.7

Multiple Choice

What point is halfway between (3, -1) and (8, -6)?

• (11, -7)
• (-5.5, -3.5)
• (5.5, -3.5)
• (2, -2)

Multiple Choice

If M (3, 5) is the mid point of the line joining A (-3, 7) and B (p, q), find the value of p and of q.

• p =9; q = 3

• p = 3; q = 9

• p = -3; q = 9

• p = 3; q = -9