Manzur278
Manzur278
06-07-2015
Mathematics
contestada
Solve x2 - 7x = -13
Respuesta :
Benjamin16
Benjamin16
10-07-2015
[tex]x^{2}-7x=-13 \\ \\ x^{2}-7x+13=0 \\ \\ \Delta=(-7)^{2}-4*1*13=49-52=-3 \implies x\not\in R \\ \\ \sqrt{\Delta} =i \sqrt{3} \\ \\ x_{1}= \frac{7-i \sqrt{3} }{2} \\ \\ x_{2}= \frac{7+i \sqrt{3} }{2} [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 44+ )
Otras preguntas
Ray's rope is 1452 centimetres long. Hannah's rope is 379 centimetres long then ray's rope. How long is Hannah's rope
Identify Supporting Details In the graphic organizer below, list the different ways in which Eastern Europeans reacted against Soviet domination and how the Sov
dont understand can someone help me
If IJ=61, JK=80, and MN=60, find the length of start overline, LM, end overline LM . Round your answer to the nearest tenth if necessary. Figures are not necess
4 divided by 1 over 8
Energy In Reactions Module Discussion For the Energy In Reactions Module Discussion, we want you to create one original post, and then respond to at least two
identify a member of the Elderly community (65+) and make an Ecomap. This member must be a member of a minority group (e.g., Latino/a, African American, America
The highest concentration of fuel at which air and fuel mixture will ignite
Which statement accurately reflects the concept of voluntariness in Actus Reus under Canadian criminal law?A) Voluntariness is explicitly stated in the Criminal
The table shows data for tax revenues and government expenditures. Data table Tax revenues Government (trillions of expenditures dollars) (trillions of dollars)
