710 Chapter 8 Cumulative Review
- Translate each phrase to an algebraic expression.
[Section 8.1]
a. 4 less than x
b. Twice the weightwincreased by 50 - Simplify each expression.[Section 8.2]
a. b. - Multiply.[Section 8.2]
a. b. - Combine like terms.[Section 8.2]
a. b.
c. d.- Use a check to determine whether 4 is a solution of
.[Section 8.3]
Solve each equation and check the result.[Section 8.4]61.- 8 y 10
3(3y8)2(y4) 3 yy
4
3 x 2 13 1 53 x 1 x 84 x 3 y 5 x 2 y 9(3x4) 2 x8 x 3 x 4 a^2 6 a^2 3 a^2 a^22(3x4) 5(3x 2 y4)3(5x) 4 x( 7 x)Form an equation and solve it to answer each question.- OBSERVATION HOURS To get a Masters
degree in learning disabilities, a graduate student
must have 100 hours of observation time. If a
student has already observed for 37 hours, how
many more 3-hour shifts must she observe?
[Section 8.5] - GEOMETRY The perimeter of a rectangle is
210 feet. If the length is four times longer than the
width, what is the length and width of the rectangle?
[Section 8.5] - Identify the base and the exponent of each
expression.[Section 8.6]
a.
b. - Simplify each expression.[Section 8.6]
a. p^3 pp^5 b.
c. d. (3a^2 )^4
e. (2p^3 )^2 (3p^2 )^3 f. [(2.6)^2 ]^8
(x^2 y^3 )(x^3 y^4 )(t^5 )^32 a^3