CC3 CH. 2 Review

Front

Simplify using legal moves: 6 − (3x − 4) + 7x − 11

Back

4x - 1

Front

What is the unit rate for the rain fall if it falls 2 cm in 1 hour?

Back

2 cm per hour

Front

Is the following table proportional? (Example: x: 1, 2, 3; y: 2, 4, 6)

Back

Yes

Front

Is the following table proportional or non-proportional? (Example: x: 1, 2, 3; y: 1, 3, 5)

Back

Non-Proportional

Front

Evaluate 2a + 4b if a = 10 and b = 6

Back

44

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together.

Front

Define proportional relationship.

Back

A proportional relationship is one where two quantities increase or decrease at the same rate.

Front

What is the formula for finding the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1) for two points (x1, y1) and (x2, y2).

Front

What does it mean for a relationship to be non-proportional?

Back

A non-proportional relationship does not maintain a constant ratio between two quantities.

Front

How do you find the total cost if the price per item is $5 and you buy 3 items?

Back

Total cost = price per item × number of items = $5 × 3 = $15.