Which one of the following is a whole number but not a natural number?
22
−12
3
0
−12
-12 is neither a whole number nor a natural number, so the correct answer was 0. good try tho
Apologies for the incorrect response. You are correct. -12 is neither a whole number nor a natural number. The correct answer is 0, which is a whole number but not a natural number. Thank you for pointing out the error.
Which set of numbers is the largest family group that includes all of the others?
real numbers
rational numbers
natural numbers
irrational numbers
The largest family group that includes all the other sets of numbers is the set of real numbers. The real numbers include all rational numbers, all natural numbers, and all irrational numbers.
Which numbers are both integers and irrational numbers?
square roots of integers
zero
none
negative integers
None of the numbers mentioned in the options are both integers and irrational numbers. Integers are rational numbers since they can be expressed as a fraction or a ratio of two integers. Irrational numbers, on the other hand, cannot be expressed as a fraction of two integers. Therefore, there are no numbers that are both integers and irrational numbers.
Which of the following may call for negative numbers?
lengths of time
street addresses
page numbers of a book
temperature measurements
Temperature measurements may call for negative numbers. Temperature can be measured on a scale where values below a certain point (such as 0 degrees Celsius or freezing point) are considered negative.
Which real-world problem is most likely to involve irrational numbers?
finding the diameter of a circle based on the radius
finding the total cost of filling up a car’s tank based on the price per gallon
finding the width of a rectangle based on the area and the length
finding the side length of a square based on the area