GRE Arithmetic: Integers (Part 1 of 4)

This video introduces the GRE Quantitative Reasoning section, focusing on arithmetic, algebra, geometry, and data analysis. It explains integers, number lines, and basic operations like addition and subtraction. The video emphasizes understanding the absolute value and the properties of integers, preparing viewers for more complex mathematical concepts.

What is the primary focus of the GRE Quantitative Reasoning sections?

• Advanced calculus and trigonometry

• Philosophy of numbers

• Basic concepts from arithmetic, algebra, geometry, and data analysis

• History of mathematics

On a number line, what is the value assigned to the origin?

• 0

• 10

• -1

• 1

Which of the following is NOT considered an integer?

• 5

• -3

• 1/2

• 0

What is the absolute value of -7?

• 7

• 14

• 0

• -7

If a and b are both negative integers, how do you find their sum?

• Subtract their absolute values and prefix a negative sign

• Add their absolute values and prefix a negative sign

• Subtract their absolute values and prefix a positive sign

• Add their absolute values and prefix a positive sign

What is the result of adding two opposite integers, such as 5 and -5?

• 0

• 10

• 5

• -10

When adding integers with opposite signs, what determines the sign of the result?

• The sign of the second integer

• The sign of the first integer

• The sign of the integer with the greater absolute value

• The sign of the integer with the lesser absolute value