Math T4 Flashcards
If a cat falls from a tree, down to Earth. Is it being translated? (YES OR NO)
YES
The basketball spins on a finger, without any particular direction. Is it being translated? (yes or no)
No
Is translation moving an object up, down, left
and right?
Yes
How do we define rotation?
Turning a shape around a point
What is reflection?
When the object is copied over from one side of the mirror line to the other side
In maths we draw something called a mirror line. Anything on one side of the mirror line is copied over to the other side of the mirror line.
WHAT IS THIS CALLED!
Reflection!
If something is spinning, growing or shrinking is it still reflection.
No, reflection does not involve a change of size of the object or its shape.
If a Ferris wheel is rotating to the left, is it going clockwise?
No, if something is rotating to the left it is going anticlockwise.
What way does the clock tick?
Clockwise (right)
If point A on a cartesian plane is at the coordinates (5, -4) and point be is a 90 degrees clockwise rotation around point C (0,0) where is point B?
(-4,-5)