Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
I need help with 19, please. Algebra 2 third edition ISBN: 978-1-64626-475-9

Transcribed Image Text:duces the
e binomi.
term,
294
Factor.
1.3x² - 15x
The height in feet of a projectile after t sec is expressed by the polynomial
- 167² + vt + h, where -16 is a constant in ft/sec² due to gravitational pull, v, is
the initial vertical velocity in ft/sec, and h, is the initial height in feet. This polyno-
mial model assumes negligible air resistance.
Example 6
of the ball as a factored polynomial.
If a soccer ball is kicked from the ground with an initial vertical velocity of 48 ft/sec, express the he
Answer
3. Factor trinomials.
Factoring Quadratic Polynomials
1. Factor out the greatest common factor.
2. Look for special factoring patterns.
Binomials: a² - b²
Trinomials: a² ± 2ab + b²
A. Exercises
Exercises
completely.
-21ab-2862
63.xyz
r+bx+c: Find factors of c whose sum is b.
ar² + bx + c: Find factors of ac whose sum is b.
5.9a²-b²
9. a² + 6a +9
3. y(y-1) + 2(y-1)
Sa²-37a-72
6y2²
3+168c²
+49
- 16t² + 48t + 0
= -16t² + 48t
- 16t(t - 3)
1. Substitute the initial vertical velocity and height into the polyno
modeling the height of a projectile.
2. Factor the polynomial.
2.x² - 81
6. 25x² - 4y²
10. 3c²-13c - 10
14.7x² - 67x - 30
18. 16x² - 34x - 15
3.x² - 4
7.x² - 2x - 63
11. c² - 9d²
15. 2x² - 11x - 13
19. 8x² - 30x - 27
21.3x² - 108
24. 19x² - 114x + 171
27. b² - 10bc +25c²
30.288a³ - 200a³
33. 12x³ + 104x² - 36x
36. 294-2412
4.4x² - 9
8. a 19
12. x(x +
16. 35x²-
22. 2x³ - 8x
25. a³b² + 2aª
28. 4x'y - 4x
31. x² - 1
34.30a-2
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