Solutions for quadratic equations

Assignment Help Basic Statistics
Reference no: EM13120790

Please give all values of b in the following equations that will give one or more real number solutions?

a) 3x^2 + bx - 3 = 0

b) 5x^2 + bx + 1 = 0

c) -3x^2 + bx - 3 = 0

d) Write a rule for judging if an equation has solutions by looking at it in standard form.

Reference no: EM13120790

Questions Cloud

Find probability and frequency distributions : Probability and Frequency Distributions. Due to rising medical costs, 43 million people in the United States go without medical insurance
Calculate the ksp for the compound : the pH of a saturated solution of a metal hydroxide MOH is 10.85 calculate the Ksp for the compound
Confidence in your readers : The first third of your questions needs to establish confidence in your readers that the person being interviewed is an authority on the topic by way of his or her experience and/or credentials. They should elicit facts and background information. Th..
Illustrate is there an ethical dilemma involved : Sell some receivables to a collector for $.65 per $1 of receivables. Delay payment of all outstanding accounts payable until the next year. Comment on the appropriateness of each option. Illustrate is there an ethical dilemma involved?
Solutions for quadratic equations : Please give all values of b in the following equations that will give one or more real number solutions?
Explain the effect the stock dividend : Effect of Stock Dividend Travanti Company has a history of paying cash dividends on its common stock. Although the firm has been profitable this year, the board of directors is planning construction of a second manufacturing plant.
Find probability distribution for the job satisfaction : Develop a probability distribution for the job satisfaction score of an executive manager. Develop a probability distribution for the job satisfaction score of a financial adviser.
Abstract algebra-mathematical induction : Given the recursively defined sequence a_1= 0, a_2= -30, and a_n=8a_n-1 -15a_n-2, use complete induction to prove that a_n=5*3^n - 3*5^n for all positive integers n.
What is the density of a sample of ammonia gas : what is the density of a sample of ammonia gas, NH3, if the pressure is .928 atm and the temperature is 63.0 C?

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the p-value of the self-serve gasoline stations

An automotive expert claims that the large number of self-serve gasoline stations has resulted in poor automobile maintenance, and that the average tire pressure is more than 4 pounds per square inch (psi) below its manufacturer's specification.

  Presidential election-margin of error

Polls showed the two main candidates in 2004 presidential election were nearly tied on the day before the election. To predict the winner a newspaper would like to have a poll that has a margin of error of less than 1%.

  Find the probability that the first marble drawn

Find the probability that the first marble drawn was blue given that the second marble drawn was red and what is the range space RY of this new random variable Y and give the probability distribution of Y in tabular form

  Types of graphs in math education

An important idea in data interpretation is choosing which graph to use under which circumstances. Describe the benefits of different graphs for different sets of data:

  Section of the statistical abstract of the united states

At least half the patients are under 15 years old? First, describe how this can be modelled as a binomial distribution with 8 trials, where success is visitor age is under 15 years old and the probability of success is 20 percent.

  Estimate the average with a margin of error

Last year the average deposit for all 10,000 clients was $25,000 with a standard deviation of $30,000. Do you think a small sample of 25 is enough to give them the margin of error they want? If not, how large a sample do you suggest they need to t..

  Expected returns and portfolio variance

What happens to the expected return and standard deviation of returns of the portfolio in Part a if the following conditions exist?

  Poisson distribution having mean

The number of lightning strikes in a year at the top of a particular mountain has a Poisson distribution with a mean of 4.2. Find the probability that in a randomly selected year, the number of lightning strikes is 0.

  Psychology help-probability problem

Two events, A and B are equally likely. The chance that either A or B happens on a given trial of an experiment is 0.70, while the chance that they both happen on a given trial is only 0.40.

  Computer ouput for a regression analysis

Shown below is computer ouput for a regression analysis relating Y (demand in units) and X (unit price).

  Percent of undergraduate students carry credit card

Nine percent of undergraduate students carry credit card balances greater than $7,000. Suppose 10 undergraduate students are selected randomly to be interviewed about credit card usage.

  Capital of the czech republic

Only 10% of American adults can name the capital of the Czech Republic. On a television game show the three randomly selected contestants are given the question "What is the capital of the Czech Republic?" The probability that none of them will kn..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd