Ch 5 Review (Integers and Coordinate Plane)

Front

What integer represents an elevation of 70 feet below sea level?

Back

-70

Front

Reflect the point (2, -4) over the y-axis.

Back

(-2, -4)

Front

The X axis is _______?

Back

horizontal

Front

If the coordinates (4,-4) are reflecting over the Y-Axis, what would be the reflections coordinates?

Back

(-4, -4)

Front

Which quadrant contains the point named by (2, 5)?

Back

I (Quadrant 1)

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What are the coordinates of the origin in a coordinate plane?

Back

(0, 0)

Front

How do you identify the four quadrants in a coordinate plane?

Back

Quadrant I: (+, +), Quadrant II: (-, +), Quadrant III: (-, -), Quadrant IV: (+, -)

Front

What does it mean to reflect a point over the x-axis?

Back

To reflect a point over the x-axis, you change the sign of the y-coordinate.

Front

What is the distance between the points (3, 4) and (3, -2)?

Back

6 units (vertical distance)