Flashcard 11

Front

What is the initial fee and hourly charge for Joe’s Canoes?

Back

Joe’s Canoes charges an initial fee of $20 plus $4 an hour.

Front

What is the flat rate charged by Callie’s Canoes?

Back

Callie’s Canoes charges a flat rate of $14 an hour.

Front

How do you find the number of hours for which the total charges of two services are equal?

Back

Set the total charges equal to each other and solve for the number of hours.

Front

What are the coordinates of a point after a 90 degrees counterclockwise rotation?

Back

For a point (x, y), the new coordinates after a 90 degrees counterclockwise rotation are (-y, x).

Front

What are the coordinates of C(-6, 2) after a 90 degrees counterclockwise rotation?

Back

C' (-2, -6).

Front

What are the coordinates of B(-1, -1) after a 90 degrees counterclockwise rotation?

Back

B' (1, -1).

Front

What is the translation rule for moving a point 2 units right and 1 unit down?

Back

The translation rule is (x + 2, y - 1).

Front

What is the rule for a 90 degrees clockwise rotation?

Back

The rule is (x, y) → (y, -x).

Front

What are the coordinates of A(1, 3) after a 90 degrees clockwise rotation?

Back

A' (3, -1).

Front

How do you set up an equation to find when two different pricing models are equal?

Back

Set the total cost equations equal to each other and solve for the variable.