elpr1nc1
elpr1nc1
14-04-2015
Mathematics
Answered
What is the solution of X2-9x+18=0
Answer :
Panoyin
Panoyin
14-04-2015
x² - 9x + 18 = 0
x =
-(-9) +/- √((-9)² - 4(1)(18))
2(1)
x =
9 +/- √(81 - 72)
2
x =
9 +/- √(9)
2
x =
9 +/- 3
2
x = 4.5
+
1.5
x = 4.5 + 1.5 x = 4.5 - 1.5
x = 6 x = 3
Answer Link
VIEW ALL ANSWERS ( 86+ )
Other Questions
A spherical ball is measured to have a radius of 10 mm, with a possible measurement error of 0.1 mm. What is the possible change in volume (in mm^3)?
can you please find the x?
most organisms consume or eat only one type of plant or animal4. Why is the sun the ultimate source of energy for food chains and food webs?it provides animals
What was the issue in regards to the election of 2000? What court case was held and what was the outcome of the case?
Next14End of Semester Test: Spanish 1ASelect the correct answerHow would chef Laura tell her assistant to cut and fry four potatoes?A. Necesitas cortar y freír
Un niño se desliza 30 m a lo largo de la pendiente de un tobogán utilizando un costal como vehículo. Si para ello subió una escalera vertical de 15 m de altura,
Question 8(Multiple Choice Worth 1 points)(02.02 LC)Which of these is the most effective way to rest after exercise?Take a full day off between workout sessions
C.Noun: Number1. Circle the singular nouns and underline the plural nouns:(a)The girls play badminton.(b)A farmer bought oxen.(c)The windows are closed.(d)The t
E 20 725 50 Drawing #1 C M D J R N P Drawing #2 Drawing #3 F G A1 B₁ H S. I W Drawing #6 Drawing #4 Drawing #5 Drawing #1 - BD and DC are tangents to the circle
El alcohol presente en una muestra devino puede separarse medianteA) destilación.B) sublimación.C) electrólisis.D) decantación.
