c. Find the exact solutions by using the Quadratic Formula. 15. - 12x2 + 5x +2 = 0 17. 9x2 - 6x - 4 = -5 16. -3x- - 5r + 2 = 0 %3D %3D 18. 25 + 4x2 = -20x %3D

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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Answer the question 15,16,17 and 17.
QUADRATIC FORMULA
tor.net
Complete parts a-c for each quadratic equation.
a. Find the value of the discriminant.
b. Describe the number and type of roots.
c. Find the exact solutions by using the Quadratic Formula.
15. –12x2 + 5x + 2 = 0
17. 9x2 – 6x - 4 = -5
16. –3x2 – 5x + 2 = 0
18. 25 + 4x2 = -20x
SWBAT: Solve quadratic equations using the Quadratic Formula. Classify roots using the
discriminant.
Transcribed Image Text:QUADRATIC FORMULA tor.net Complete parts a-c for each quadratic equation. a. Find the value of the discriminant. b. Describe the number and type of roots. c. Find the exact solutions by using the Quadratic Formula. 15. –12x2 + 5x + 2 = 0 17. 9x2 – 6x - 4 = -5 16. –3x2 – 5x + 2 = 0 18. 25 + 4x2 = -20x SWBAT: Solve quadratic equations using the Quadratic Formula. Classify roots using the discriminant.
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