TOPIC 2- Integers and Rational Numbers

Front

What is absolute value?

Back

The absolute value of a number is its distance from zero on the number line, always expressed as a positive number.

Front

Why is absolute value always written as a positive?

Back

Absolute value is talking about distance, distance is always measured by positive numbers.

Front

What is the opposite of a negative integer?

Back

The opposite of a negative integer is its positive counterpart.

Front

What is the opposite of -9?

Back

9

Front

What are the four quadrants in a coordinate plane?

Back

Quadrant I (positive x, positive y), Quadrant II (negative x, positive y), Quadrant III (negative x, negative y), Quadrant IV (positive x, negative y).

Front

Which quadrant contains the point (2, 5)?

Back

Quadrant I.

Front

How do you identify the coordinates of a point?

Back

Coordinates are written as (x, y), where x is the horizontal position and y is the vertical position.

Front

What are the coordinates for POINT H if it is located at (1, 2)?

Back

(1, 2).

Front

What is the distance between two points on a vertical line?

Back

The distance is the absolute difference between their y-coordinates.

Front

What is the length of the segment between M = (2, 4) and N = (2, 7)?

Back

3 units.