Topic 2 PreTest

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero on the number line but in the opposite direction. For example, the opposite of 6 is -6.

Front

How do you represent a point on a number line?

Back

A point on a number line is represented by an integer that indicates its position relative to zero.

Front

What is an ordered pair?

Back

An ordered pair is a pair of numbers used to locate a point in a two-dimensional space, written as (x, y).

Front

How do you write the ordered pair for point Q if Q is at x = -7 and y = 3?

Back

The ordered pair for point Q is written as (-7, 3).

Front

What is the opposite of -11?

Back

The opposite of -11 is 11.

Front

What is the value of point A if it is represented as 1.75?

Back

Point A is represented as 1.75, which is equivalent to 1 3/4 or 7/4.

Front

How do you find the opposite of an integer?

Back

To find the opposite of an integer, simply change its sign. For example, the opposite of 4 is -4.

Front

What does it mean for two numbers to be opposites?

Back

Two numbers are opposites if they are the same distance from zero on the number line but in different directions.

Front

What is the significance of zero on the number line?

Back

Zero is the central point on the number line, separating positive numbers from negative numbers.