Anna0114
Anna0114
01-06-2015
Mathematics
contestada
what are the zeros of (x-2)(x^2-9)
Respuesta :
Аноним
Аноним
01-06-2015
[tex](x-2)(x^2-9)=0\iff x-2=0\ or\ x^2-9=0\\\\x-2=0\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=2}\\\\x^2-9=0\ \ \ \ |add\ 9\ to\ both\ sides\\\\x^2=9\iff x=\pm\sqrt9\to \boxed{x=-3\ or\ x=3}\\\\Answer:\boxed{x=-3\ or\ x=2\ or\ x=3}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
If the ΔG value of a reaction is negative, what is true of the ΔG value of the reverse reaction? A. ΔG > 0 B. ΔG < 0 C. ΔG = 0 D. ΔG fluctuates
Which organelle is responsible for manufacturing proteins? Vacuoles Lysosomes Golgi apparatus Ribosomes
The first truly great opera masterpiece was titled and was composed by
A quadratic equation is shown below: 2x2 − 10x − 8 = 0 Part A: Describe the solution(s) to the equation by just determining the radicand. Show your work. (5 p
Write 4 3/7 as a decimal. Enter your answer as a decimal rounded to the nearest hundredth, like this: 4.25
If a sailboat and a motorboat are both underway when is the sailboat the give way vessel
(01.06 MC)You decide to ride your bike for 30 minutes, raising your heart rate to the middle of your target heart rate zone. What type of activity is this an ex
What are the vertex, focus, and directrix of the parabola with the equation x^2+8x+4y+4=0
what are the x and y intercepts 2x -5y=20
A graph is shown below: A graph is shown. The values on the x axis are 0, 3, 6, 9, 12, and 15. The values on the y axis are 0, 9, 18, 27, 36, and 45. Points are
