crybchw
crybchw
08-06-2014
Mathematics
contestada
how do you describe the roots of 9y² - 6y + 5 = 0?
Respuesta :
konrad509
konrad509
08-06-2014
[tex]9y^2- 6y + 5 = 0\\ 9y^2-6y+1+4=0\\ (3y-1)^2+4=0\\ (3y-1)^2=-4\\ y\in \emptyset [/tex]
Answer Link
Lilith
Lilith
08-06-2014
[tex]9y^2 - 6y + 5 = 0 \\ \\a=9, \ b= -6 , \ c=5 \\ \\\Delta =b^2-4ac = (-6)^2 -4\cdot9\cdot 5 = 36 -180 = -144 \\ \\ If\ \Delta <0, \ then \ roots\ are \ imaginary \ (non-real)[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
What materials were used to create the mona lisa?
Although the words "premonition" and "foreboding" have similar meanings, they are different because _____.
You own a stock portfolio invested 25 percent in stock q, 30 percent in stock r, 30 percent in stock s, and 15 percent in stock t. the betas for these four stoc
The ________ provides nourishment of the baby and the elimination of its waste products
What was probably the worst fear most slaves had apex?
4 and 1/6 × 1 and 1/3 can you show all work
Find the measure of angle 2 if m∠2=4x−26 and m∠4=3x+4.
Suppose that f is an exponential function with f (4) = 14 and f (5) = 16. What is the growth factor for f?
5. Which of the following best describes writing that reveals a writer’s opinions, feelings, and insights about an experience?
The value of 2^3 + 3^3 = ___. Numerical Answers Expected!
