Question

Asked Feb 11, 2020

1 views

The quadratic formula is used to solve for x in equations taking the form of a quadratic equation, ax2+bx+c=0.

quadratic formula:x=−b±√b2−4ac2a

Solve for x in the expression using the quadratic formula.

3x2+19x−8.5=0

Use at least three significant figures in each answer.

Step 1

Given equation is:

&nb...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: 256. Which one of the following equations correctly represents alpha decay of Rn ? Po + He + He 222 ...

A: The reactions involving formation of new nucleus with emission of some radiation along with it from ...

Q: For the reaction system, H2(g) + X2(g) ⇌ 2 HX(g), Kc = 24.4 at 300 K. A system made up from these co...

A: The concentration of species can be described as the ratio of the moles of the species to the volume...

Q: A substance is in the form of a 4.5 cm long cylinder with a diameter of 2.1 cm and a mass of 3.7 g. ...

A: The term density can be defined as the measurement which can be used to compare the amount of the ma...

Q: A 33.0 g iron rod, initially at 22.2 °C, is submerged into an unknown mass of water at 63.9 °C, in a...

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the ...

Q: Considering the problem and the given solution, if the temperatures in Kelvin were converted to Cels...

A: Given, Tf solvent =279.65 K Tf soln = 267.25 K △Tf =Tf solvent – Tf soln △Tf = 279.65 K – 267.25 K...

Q: An aqueous solution of 87 KOH is dissolved in 600 grams of solution. What is the concentration of th...

A: Note: Mass of KOH is taken as 87 g. Total mass of solution is (87 g + 600 g) = 687 g

Q: If water boils at 96°C, what is the ambient pressure and the atmospheric pressure?

A: A liquid starts boiling when the pressure at the liquid surface becomes equal to the atmospheric pre...

Q: Of all the following aqueous solutions, which one will have the lowest freezing point? Why? 1. 0.200...

A: Depression in freezing point is given by:

Q: 210. Select the type of interaction which best describes the attraction between Mg?+ ions and water ...

A: The given Mg2+ ion has ionic nature so it can interact with water. Water act as dipole because it h...