Maths

1. The opposite of an event; e.g. A'
3. A branching diagram used to show probability.
5. __________ a parabola will make it become inverted.
6. Two triangles are _______ if they are within the same proportions.
7. A u-shaped graph of a quadratic relation.
9. An outcome of an experiment.
11. A set with nothing in it; also known as an empty set.
13. The ____________, represented by Delta (triangle), can determine the number of x-intercepts a parabola has.
14. A single experiment, like a single roll of a die.
15. Moving a parabola in any direction without altering its shape.

2. Two or more events that do not have any outcomes in common.
4. A transformation of a parabola, involving widening and narrowing.
5. An experiment can be performed with or without ___________ to have different results.
8. Image length divided by original length.
10. The measure of the chance an event will occur.
12. Two triangles are _________ if they are identical.