The polynomial 3x2 + bx - 4 has x - a as a factor, where a #0. Express b in terms of a.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.4: Special Products
Problem 65PFA
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17. Use the Factor Theorem to show that x -b is a factor of x²(b – a) + b²(a – x) + a²(x – b).
Abelt
18. Find k when the polynomial 6x³ – kx? + 2x + 3 has x - 3 as a factor. Show that 2x- 1 is also a fac
Then, find its third factor.
19. The polynomial 2x3 – ax? + bx + 6 is exactly divisible by x? – 5x + 6. Find the value of a + b.
20. The polynomial 3x2 + bx - 4 has x- a as a factor, where a +0. Express b in terms of a.
Transcribed Image Text:17. Use the Factor Theorem to show that x -b is a factor of x²(b – a) + b²(a – x) + a²(x – b). Abelt 18. Find k when the polynomial 6x³ – kx? + 2x + 3 has x - 3 as a factor. Show that 2x- 1 is also a fac Then, find its third factor. 19. The polynomial 2x3 – ax? + bx + 6 is exactly divisible by x? – 5x + 6. Find the value of a + b. 20. The polynomial 3x2 + bx - 4 has x- a as a factor, where a +0. Express b in terms of a.
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