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# Ecuaciónes exponenciales

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Ecuaciones exponenciales igualando las bases

Ecuaciones exponenciales igualando las bases

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### Transcript

• 1. ECUACIONESEXPONENCIALESa =a ⇒x=y x y Resueltas igualandolas BASESMaría Pizarro Aragonés
• 2. Una ecuaciónexponencial es aquellaecuación en la que laincógnita se encuentraen un exponente
• 3. Para resolver lasECUACIONESEXPONENCIALESse igualan lasBASES, si no esposible, se usanLOGARITMOS.
• 4. Si las bases son igualeslos exponentes soniguales. a x= a³ x=3
• 5. a = a ⇒x = y x ySi ….. Implica que ……
• 6. 3 = 3² 5x - 85x – 8 = 2 5x = 2 + 8 5x = 10 x=2
• 7. x5 •5⁶ = 15 x + 6 = 5⁰ x+6=0 x=-6
• 8. 5x – 1 3x - 11m =m5x – 1 = 3x – 115x – 3x = - 11 + 1 2x = - 10 x=-5
• 9. 3x 7 32 = 16 3x 7(2⁵) = (2⁴) 2 =2 15 x 28 15x = 28 x = 28/15
• 10. 5x-1 = 1 25 x-15 = 1 5² x-1 -2 5 = 5
• 11. x-1 -25 = 5x–1 = -2 x =-2+1 x=-1 =
• 12. 5x - 116 :2⁵ = 8(2⁴) 5x – 1 : 2⁵ = 2³ 20x - 42 : 2⁵ = 2³ 20x – 4 - 52 = 2³
• 13. 20x – 9 = 3 20x = 3 + 9 20x = 12 x = 12 = 3 20 = 5Se simplificó por 4
• 14. ∛7 2x - 5 = 49 2x - 5 7 3 = 7² 2x – 5 = 2 3
• 15. 2x – 5 = 2 / •3 32x – 5 = 6 2x = 6 + 5 2x = 11 x = 11 2
• 16. 7 - 5= - 4 3x – 12 3x - 127 =-4+5 3x - 127 =1 3x - 127 = 7º
• 17. 3x – 12 = 0 3x = 12 x = 4
• 18. fin