If x is an integer and x^2 - 4 = 0, which of the following could be values of x? Indicate **all** such values.
Please select 2 correct answers
Select all possible integer values for x.
Which of the following numbers are multiples of 3? Indicate **all** such values.
Please select 3 correct answers
Select all numbers divisible by 3.
If x > y and xy < 0, which of the following statements must be true? Indicate **all** such statements.
Please select 2 correct answers
Select all statements that must be true.
A list of numbers has an average (arithmetic mean) of 10. If each number in the list is increased by 5, which of the following statements about the new list are true? Indicate **all** such statements.
Please select 3 correct answers
Select all true statements about the new list.
If n is a prime number greater than 2, which of the following must be true about n? Indicate **all** such statements.
Please select 3 correct answers
Select all statements that must be true for a prime number n > 2.
Which of the following expressions are equivalent to 2(x+y) - (x-y)? Indicate **all** such expressions.
Please select 2 correct answers
Select all equivalent expressions.
If 0 < x < y < 1, which of the following must be true? Indicate **all** such statements.
Please select 3 correct answers
Select all statements that must be true.
The set A = {1, 2, 3, 4, 5}. The set B = {4, 5, 6, 7, 8}. Which of the following numbers are in the union of A and B (A u B)? Indicate **all** such values.
Please select 4 correct answers
Select all numbers present in either set A or set B or both.
If an integer is divisible by both 6 and 8, then the integer must also be divisible by which of the following? Indicate **all** such values.
Please select 4 correct answers
Select all numbers that must be divisors.
Which of the following inequalities are true? Indicate **all** such values.
Please select 3 correct answers
Select all true inequalities.
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