sghawn
sghawn
10-06-2018
Mathematics
contestada
Which are the solutions of x2 = –7x – 8?
Respuesta :
chickenheadbum3
chickenheadbum3
10-06-2018
x^2 = -7x -8
x^2 +7x +8 = 0
D = 49 -32 = 17
x_1,2 = (-7+/-sqrt17)/2 = (-7-sqrt17)/2 and (-7+sqrt17)/2
Answer Link
ashleyspandya
ashleyspandya
10-06-2018
If you're referring x^2 (as in x squared), then the solutions are x = (-7-sqrt17)/2
and x= (sqrt17-7)/2
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
In humans and other multicelluar organisms, whic substance plays a central role as an energy source?
Which statement is the most clear and interesting? a. My ancestor was a carpenter many years ago. b. My ancestor worked on the White House. c. My ancestor was a
ava is 23 cm taller than olivia, and olivia is half the height of lucas. if lucas is 1.78 m tall, how tall are ava and olivia? express thier heights in cm
Which interrogative pronoun best completes the sentence? How is the pronoun used? To ___________ will you be sending the invitations? A. who; subject B. whom; o
what is one major internal conflict in the book The Kill Order by James Dashner
The ratio of the weight of an object on Jupiter to its weight on Earth is 8 to 3. How much would a 100 pound person weigh on Jupiter?
Which proposal most resembled the Articles of Confederation? athe New Jersey Plan b the Great Compromise c the Virginia Plan d the Federalist Papers
The following sentence is an example of informal writing: "The Inca empire was well-organized and well-governed." True False
the second math test was worth half as many points as the first test. write an expression for the total number of points on the 2 tests.
How many people will 5 pitchers serve if one eighth pitcher serves one person?
