Unit 8 - Transformations Flashcards
What does a translation need?
A VECTOR
What does a translation do?
Just moves the shape.
What do you need for a rotation?
Direction
ANGLE
Centre
What is the only transformation that changes the shapes size?
An ENLARGEMENT.
What do you need for an enlargement?
Scale factor
Centre
What do you need for a reflection?
Mirror line
What are the three rules for bearings?
Always go north
Always go clockwise
Always have 3 numbers
What is a scale?
A way of drawing something to fit on the paper.
What do you need for loci?
Ruler
Compass
What is a rule for loci?
DON’T RUB OUT THE LINES.
What is a perpendicular bisector?
Halting two lines.
What is an angle bisector?
Half if an angle.
What happens with a negative scale factor in enlargement?
The shape goes backwards and goes smaller.
What happens with a fractional scale factor in enlargement?
Makes the shape SMALLER.
What does equidistant mean?
When he points are EQUAL DISTANCE FROM A POINT.
