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(a) Express x +11x-15 in the form (x+ a) + b. (b) Hence solve the equation x² +11x-15 0, giving your answers correct to two decimal places.

(a) Express x +11x-15 in the form (x+ a) + b. (b) Hence solve the equation x² +11x-15 0, giving your answers correct to two decimal places.

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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(a) Express x² +11x-15 in the form (x + a)² + b. (b) Hence solve the equation x² +11x -15 = 0, giving your answers correct to two decimal places.
Transcribed Image Text:(a) Express x² +11x-15 in the form (x + a)² + b. (b) Hence solve the equation x² +11x -15 = 0, giving your answers correct to two decimal places.
Question 1 Solve 3x - 5(x+1) = 7x-5. |
Transcribed Image Text:Question 1 Solve 3x - 5(x+1) = 7x-5. |
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