Ch 5 Review- Integers & Absolute Value

Front

What is the reflection of a point (x, y) over the x-axis?

Back

The reflection of a point (x, y) over the x-axis is (x, -y).

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |-5| = 5.

Front

What is the ordered pair for point L if L is located 5 units right and 2 units up from the origin?

Back

(5, 2)

Front

What is the ordered pair for point N if N is located 6 units right and 6 units up from the origin?

Back

(6, 6)

Front

How do you find the distance between two points (x1, y1) and (x2, y2)?

Back

Use the distance formula: Distance = √((x2 - x1)² + (y2 - y1)²).

Front

What is the reflection of the point (0, -4) over the x-axis?

Back

(0, 4)

Front

What is the absolute value of -18?

Back

18

Front

What is the ordered pair for point A if A is located 2 units left and 3 units down from the origin?

Back

(-2, -3)

Front

What is the reflection of the point (3, 4) over the y-axis?

Back

(-3, 4)

Front

What is the absolute value of 7?

Back

7