markit
markit
11-01-2016
Mathematics
contestada
what multiplies to -4 and adds up to 7?
Respuesta :
Billymkhoi
Billymkhoi
11-01-2016
The two numbers are
(7+ sqrt(65))/2
and
(7- sqrt(65))/2
(7+ sqrt(65))/2+ (7- sqrt(65))/2= 7
(7+ sqrt(65))/2* (7- sqrt(65))/2)= -4.
Hope this helps~
Answer Link
VER TODAS LAS RESPUESTAS ( 23+ )
Otras preguntas
What does Daisy tell Gatsby that catches him off guard? What was he expecting to hear?
can someone please help me, please
ALL clauses contain a subject AND a predicate. True or false
Which tool is used to detect yellow light rays emitted by stars from outer space?
which way does a staircase go? up or down?
Where are all my smart ppl at? Help me out!!! A formula =A1+B2 is in cell D8. If you copy that formula to cell D9, what is the new formula in cell D9? A.) '=A1+
I don't understand how to do this
Factor completely 16x8 − 1. (4x4 − 1)(4x4 1) (2x2 − 1)(2x2 1)(4x4 1) (2x2 − 1)(2x2 1)(2x2 1)(2x2 1) (2x2 − 1)(2x2 1)(4x4 − 1).
Who were the three prominent dictators of the post world war I?
Which of the following best describes an ecosystem in a neighborhood garden? (A)the tomato plants, the fungi, and the soil (B)the basil plants (C)the tomato pla
