Chapter 1 ReviewChapter 1 Test – Algebra

Extended

State the property the following illustrates

(8x) 5 = (x8) 5 ∙ ∙

State the property the following illustrates

7 + ( 9 + 4) = ( 7 + 9 ) + 4

Describe:

• The difference between the set of integers and whole numbers.

Simplify the following:

-5( x – 6) -2( -x – 8)

Simplify the following:

31551

x

Is the following a solution to the equation?

3x + 4y = 11 (1, 2)

Simplify the expression

11 - (62 – 32)

Simplify the expression:

b - a(b + c)

when a= -5, b= 4, c = -3

Name the subset(s) of the real numbers to which each number belongs using the word bank below.(More than one word can be used)

A. -8B.

C. 4

5

Write an algebraic expression for each phrase

6 less than the product of a number x and 2

Write an algebraic expression for each phrase

10 times the quantity of the sum of 11 and a number x

Simplify the expression:

–2 – [(-8) • (23)]

Order the numbers from least to greatest

31,

89,

321,

98,

21

Jim earns $12 per hour.

A.Write an EquationB.Set up a table to model the

situationC.Draw a graph

Answers:• Slide 2: commutative mult.• Slide 3: associative add.• Slide 4: whole numbers are {0, 1, 2, …}, integers include negatives {…-1, 0, 1…}• Slide 5: -3x + 46• Slide 6: 3x - 3/5• Slide 7: Yes• Slide 8: -16• Slide 9: 9• Slide 10: A. Rational, Integer, B. Irrational, C. Rational, Integer, Whole, Natural• Slide 11: 2x-6• Slide 12: 10(11 + x)• Slide 13: 62• Slide 14: 1/3, ½, 8/9, 9/8, 5/3• Slide 15: y = 12x , table example points (1,12), (2,24), (3,36), (4,48)

(could not post graph, but it should be a positive line through the points listed above, the graph needs to be labeled and titled)