Ordering Real Sets of Numbers Flashcard #5 and MIX

Front

What is a dilation in geometry?

Back

A dilation is a transformation that alters the size of a figure but not its shape, using a scale factor (SF).

Front

If the scale factor (SF) is less than 1, what type of dilation is it?

Back

Reduction.

Front

If the scale factor (SF) is greater than 1, what type of dilation is it?

Back

Enlargement.

Front

What is the symbol for 'less than'?

Back

<.

Front

What is the symbol for 'greater than'?

Back

>.

Front

What is the symbol for 'equal to'?

Back

=.

Front

How do you model a situation with a linear equation?

Back

By identifying the fixed costs and variable costs, then setting them equal to each other.

Front

What does it mean for a relation to be a function?

Back

Each input (x-value) must correspond to exactly one output (y-value).

Front

Which of the following is a function: {(1, 2), (1, 3), (2, 4)}?

Back

No, because the input 1 corresponds to two different outputs (2 and 3).

Front

What is the greatest value among 63/7, 8.99, 450%, and -22?

Back

63/7, which equals 9.