Number sets and properties

Question 1 of 10

Using the distributive property, 8 × 43 = 8 × 40 + 8 × 3 =

Question 2 of 10

Which set contains the whole numbers but not the negative integers?

Question 3 of 10

The recurring decimal 0.333… is best described as

Question 4 of 10

If a ∆ b = (a + b)/ab, find 2 ∆ 3.

Question 5 of 10

The additive inverse of −8 is

Question 6 of 10

The operation * is defined on real numbers by a * b = a + b − 3ab. Find 2 * (−1).

Question 7 of 10

3(x + 4) = 3x + 12 illustrates the

Question 8 of 10

The additive identity is

Question 9 of 10

The statement (4 + 9) + 6 = 4 + (9 + 6) shows the

Question 10 of 10

Which of these numbers is rational?