1.If the volume of a box is represented by the expression (x3 - 3x2 -10x + 24) cm3 and the width is (x - 2) cm. What are the other dimensions? A. (x + 3) (x - 4) B. (x - 3) (x - 4) C. (x - 3) (x + 4) D. (x + 3) (x + 4) 2.One of the roots of -5x2(x3 + 2x - 7) is 0. How many other roots are there? A. 3 B. 4 C. 5 D. 6 3.Which polynomial equation has 1, -2, and 3 as roots? A. P(x) = (x + 1) (x – 2) (x + 3) B. P(x) = (x – 1) (x + 2) (x – 3) C. 2 (x + 1) (x + 2) (x + 3) D. 2 (x - 1) (x - 2) (x - 3)
1.If the volume of a box is represented by the expression (x3 - 3x2 -10x + 24) cm3 and the width is (x - 2) cm. What are the other dimensions? A. (x + 3) (x - 4) B. (x - 3) (x - 4) C. (x - 3) (x + 4) D. (x + 3) (x + 4) 2.One of the roots of -5x2(x3 + 2x - 7) is 0. How many other roots are there? A. 3 B. 4 C. 5 D. 6 3.Which polynomial equation has 1, -2, and 3 as roots? A. P(x) = (x + 1) (x – 2) (x + 3) B. P(x) = (x – 1) (x + 2) (x – 3) C. 2 (x + 1) (x + 2) (x + 3) D. 2 (x - 1) (x - 2) (x - 3)
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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1.If the volume of a box is represented by the expression (x3 - 3x2 -10x + 24) cm3 and the width is (x - 2) cm. What are the other dimensions?
A. (x + 3) (x - 4)
B. (x - 3) (x - 4)
C. (x - 3) (x + 4)
D. (x + 3) (x + 4)
2.One of the roots of -5x2(x3 + 2x - 7) is 0. How many other roots are there?
A. 3
B. 4
C. 5
D. 6
3.Which polynomial equation has 1, -2, and 3 as roots?
A. P(x) = (x + 1) (x – 2) (x + 3)
B. P(x) = (x – 1) (x + 2) (x – 3) C. 2 (x + 1) (x + 2) (x + 3)
D. 2 (x - 1) (x - 2) (x - 3)
4.Which of the following polynomial equations has 2 as one of the roots?
A. x2 – 5x + 8 = 0
B. 4x3 – 9x2 - 3x = 0
C. 4x4 + 8x3 - 39x2 = 0
D. x3 + 6x2 – 16x = 0
5.The polynomial equation whose roots are {-1, - ½ and 3} is _______
A. 2x3 – 3x2 – 8x – 3 = 0
B. x3 - 6x2 – x – 3 = 0
C. 2x3 + 3x2 – 5x – 3 = 0
D. 2x3 + 3x2 + x – 15 = 0
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