Math 100 Chapter 1 Review
1. Mark each statement True or False.
(a) – 4 is a whole number
(b) – 4 is an integer number
(c) – 4 is a rational number
(d) – 4 is a real number
(e) is a rational number
(f) is a real number
(g) 3 < - 4
(i) 3 < 3
(j) 3 ≤ - 3
2. Match each example with the property that it illustrates.
|(A) the commutative property of addition|
|(B) the commutative property of multiplication|
|(C) the associative property of addition|
|(D) the associative property of multiplication|
|(E) the distributive property|
|(F) 0 is the identity element for addition|
|(G) 1 is the identity element for multiplication|
5. The graph below gives the average high temperature for Sacramento .
(a) How many months have an average high above 80?
(b) Estimate the average high in January.
(c) Estimate the percent by which the average high increases from January to June.