COLLEGE ALGEBRA & TRIGONOMETRY(LL) FDS
1st Edition
ISBN: 9781265225636
Author: Miller
Publisher: MCG
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Question
Chapter 1.6, Problem 93PE
To determine
The solution of the given equation using appropriate substitution.
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Check out a sample textbook solutionStudents have asked these similar questions
For Exercises 81–100, make an appropriate substitution and solve the equation. (See Examples 10–11)
81. (2x + 5)? – 7(2x + 5) - 30 = 0
82. (Зх — 7)? - 6(3х — 7)-16 3D 0
83. (x + 2x)? – 18(r + 2x) = -45
84. (x + 3x)? -
86. (у? — 3)? — 9(y? — 3) — 52 %3D 0
14(x + 3x) = -40
85. (x + 2)2 + (x + 2) – 42 = 0
10
2
10
- 61 m -
- 27 = 0
x +
+ 35 = 0
87.
88.
- 121 x +
т -
m
m
89.
2 +
2 +
= 12
90.
+ 3
+ 6
+ 3
= -8
91. 5c2/5
11c/5
+ 2 = 0
92. З3
d'/3 – 4 = 0
93. y'/2 – y/4 6 = 0
94. n'/2 + 6n/4 – 16 = 0
95. 9y
10y
+ 1 = 0
96. 100х-4
29x-2 + 1 = 0
|
97. 4t – 25 Vi = 0
98. 9m – 16Vm = 0
100. 392 + 16q
-1
99. 30k-2 –
23k-
+ 2 = 0
+ 5 = 0
Exercises 38–40 will help you prepare for the material covered in
the first section of the next chapter.
In Exercises 38-39, simplify each algebraic expression.
38. (-9x³ + 7x? - 5x + 3) + (13x + 2r? – &x – 6)
39. (7x3 – 8x? + 9x – 6) – (2x – 6x? – 3x + 9)
40. The figures show the graphs of two functions.
y
y
201
10-
....
-20-
flx) = x³
glx) = -0.3x + 4x + 2
For Exercises 1–2, simplify the expression.
8!
1.
3! · 5!
(2n + 1)!
2.
(2n – 3)!
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Similar questions
- In Exercises 33–37, simplify each exponential expression. 33. (-2r)(7x-10) 34. (-&rSy)(-5x?y*) -10xty 35. -40x-2y6 36. (4x-Sy?)-3 -6xy 37. -2 2x*y 3,,-4arrow_forwardDo you agree or disagree a0=1arrow_forwardPlease simplify completely. In #1–4, list the necessary restrictions on the variable; if none, write “none”.arrow_forward
- In Exercises 83–90, perform the indicated operation or operations. 83. (3x + 4y)? - (3x – 4y) 84. (5x + 2y) - (5x – 2y) 85. (5x – 7)(3x – 2) – (4x – 5)(6x – 1) 86. (3x + 5)(2x - 9) - (7x – 2)(x – 1) 87. (2x + 5)(2r - 5)(4x? + 25) 88. (3x + 4)(3x – 4)(9x² + 16) (2x – 7)5 89. (2x – 7) (5x – 3)6 90. (5x – 3)4arrow_forwardSolve 6.arrow_forwardShow me how to do number 86 pleasearrow_forward
- In Exercises 65–74, factor by grouping to obtain the difference of two squares. 6x + 9 – y? 12x + 36 – y? 65. x? 66. x2 67. x + 20xr + 100 68. x? + 16x + 64 – x4 69. 9x2 70. 25x? – 20x + 4 – 81y? 30x + 25 – 36y? 71. x* - x? – 2x – 1 72. x4 -х2 — бх — 9 x? + 4xy – 4y2 x²+ 10xy - 25y2 73. z? 74. z? - rarrow_forwardShow workarrow_forward2. A rocket carrying fireworks is launched from a hill 80 feet above a lake. The rocket will fall into lake after exploding at its maximum height. The rocket's height above the surface of the lake is given by h = -16t² +64t + 80. a. b. C. d. What is the Co cket? After how many seconds after it is launched will the rocket hit the lake?arrow_forward
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