Given that each of the following quadratic equations has no real roots, find the Pange of kx² - 4x + 10 = 0 3x2- 6x - (2- k) = 0 11. 12. Example 2.2

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
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Q12 and Q27
9.
2x - x+ m = 0
Given that each of the following quadratic equations has no real roots, find the range of values of k. (11 – 12)
kx² – 4x + 10 = 0
3x² - 6x - (2 – k) = 0
11.
12.
Example 2.2
Transcribed Image Text:9. 2x - x+ m = 0 Given that each of the following quadratic equations has no real roots, find the range of values of k. (11 – 12) kx² – 4x + 10 = 0 3x² - 6x - (2 – k) = 0 11. 12. Example 2.2
Number and Algebra oupatrobou
27.
It is given that the quadratic equation (x + 2)(x – 3) = k has two unequal real roots.
(a) Find the range of values of k.
(b) Hence, find the roots of the equation when k is the smallest integer in (a).
nequal real roots for any po
Transcribed Image Text:Number and Algebra oupatrobou 27. It is given that the quadratic equation (x + 2)(x – 3) = k has two unequal real roots. (a) Find the range of values of k. (b) Hence, find the roots of the equation when k is the smallest integer in (a). nequal real roots for any po
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