Beginning & Intermediate Algedra Review
0.7(5.4) Special Factoring Rules
Exercises 730
Factor completely.
25) 4Y^{4}  81
A) (2y^{2}+9)(2y29)
B) Prime
C) (2y^{2}+9)^{2}
D)(2t^{2}9)^{2}
Exercises 3353
Factor.
26) 9x^{2}  48x + 64
A) Prime
B) (3x8)^{2}
C) (3x8)(3x+8)
D) (3x+8)^{2}
0.8（10.1） Radical Expressions and Graphs
Exercises 716
Find all square roots of the number.
27) 576
A)26,26
B)24,24
C)48,48
D)25,25
Exercises 1726
Find the square root.
Exercises 2734
Find the square of the radical expression.
Exercises 3950
Identify the given number as "Rational", "Irrational", or "Not a real number". If
the number is rational,
give its exact value. If the number is irrational, give a decimal approximation
to the nearest thousandth.
30) sprt(36)
A) Irrational,18.0000
B) Not a real number
C) Rational,6
D) Irrational,6.000
Exercises 6386
Find the root if it is a real number.
Exercises 8794
Graph the function and give its domain and its range.
Exercises 95108
Simplify the root.
Exercises 109116
Find the decimal approximation fir the radical. Round the answer to three
decimal places if necessary.
Exercises 117122
Solve the problem.
35) A manufacturers cost is given by
where C is the cost and n is the number
of parts produced. Find the cost when 8 parts are produced.
A)$150
B)$2049
C)$1500
D)$1800
Exercises 6192
Express the radical in simplified form. Assume that all variables represent
positive real numbers.
Exercises 9398
Simplify the radical. Assume that all variables represent positive real numbvers.
Exercises 99104
Simplify by first writing the radicals with the same index. Then multiply.
Exercises 109112
Find the unknown length in the right triangle. Simplify the answer if necessary.
Exercises 113118
Solve the problem.
40) The length of the diagonal of a rectangle is given by
where L and W are the
length and width of the rectangle. What is the length of the diagonal ,D, of a
rectangle that is
89 inches long and 52 inches wide? Round your answer to the nearest tenth of an
inch, if necesssary.
A) 68 inches
B) 72.2 inches
C) 11.9 inches
D) 103.1 inches
Exercises 125130
Find the distance between the pair of points.
41) (5,7) and (7,3)
