22. Which of the following rational algebraic equations is transformable to a quadratic equation? A B. x*-2x +5 -4x + 2 C. 2( x + 6)
22. Which of the following rational algebraic equations is transformable to a quadratic equation? A B. x*-2x +5 -4x + 2 C. 2( x + 6)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:22. Which of the following rational algebraic equations is transformable to a quadratic equation?
-
A
В.
x*-2x +5
-4x + 2
C. 2( x + 6)
D. x +7
23. The rational algebraic equation 2-= 1 when transformed to quadratic equation in standard form is
A. y-2y-8=0
B. y+2y+8=0
C. y+2y-8=0
D. y-2y+8=0
24. What is the correct expression when we expand (x+2)?
-
A. +2x+4
B. +2x+2=0
C. +4x+4
D. +4x+2=0
25. Angela's father is twice her age. If the product of their ages is450, how old is Angela now?
A. 12
B. 15
C. 18
26. The sum of two numbers is 8. The square of the first minus twice the square of the second equals 7. What are the
D. 20
two numbers?
A. 4 and 4
B. 6 and 2
C. 5 and 3
27. The sum and the product of two consecutive numbers are 31 and 240 respectively. What is the smaller number?
C. 15
D. 7 and 1
A. 11
B. 13
D. 17
28. The area of a rectangular garden is 50 ft. What is the length of the garden if its perimeter is 30 ft?
A. 5 ft
B. 10 ft
C. -5 ft
D. -10ft
29. The sum of two positive integers is 24. Which of the following represents their largest product?
A. 140
B. 240
C. 154
D. 144
30. The product of two numbers is 32 and their quotient is 8. What are the numbers?
B. 16 and 2
31. Three times the difference of two and a number is greater than thrice a number.
B. (2 - x 2 3x
A. 8 and 4
C. 24 and 3
D. 32 and 4
C. 3(2 -x) 2 3x
-
A. 3-2x 2x
D. 3x- 2x2 3x
umbor
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