MathMaster logo

MathMaster

  1. Home
  2. general
  3. can you find the solution s to these quadratic equations x2 2x 2
Question

Can you find the solution/s to these quadratic equations? x2 - 2x + 2

269

likes
1347 views

Answer to a math question Can you find the solution/s to these quadratic equations? x2 - 2x + 2

Expert avatar
Gene
4.5
108 Answers
${x}_{1,2}=\frac{-(-2)\pm \sqrt{(-2)^{2}-4\cdot 1\cdot 2}}{2\cdot 1}$
${x}_{1,2}=\frac{-(-2)\pm 2i}{2\cdot 1}$
${x}_{1}=\frac{-(-2)+2i}{2\cdot 1},{x}_{2}=\frac{-(-2)-2i}{2\cdot 1}$
$=1+i$
$=1-i$
$x=1+i,1-i$

Frequently asked questions (FAQs)
What is the correlation coefficient between the number of hours studied and exam scores?
+
Math question: What is the factored form of the quadratic equation x^2 + 6x + 8?
+
What is the speed, in meters per second, of a car that travels a distance of 800 meters in 40 seconds?
+
New questions in Mathematics
Calculate to represent the function whose graph is a line that passes through the points (1,2) and (−3,4). What is your slope?
A pump with average discharge of 30L/second irrigate 100m wide and 100m length field area crop for 12 hours. What is an average depth of irrigation in mm unIt?
a ferry travels 1/6 of the distance between two ports in 3/7 hour. the ferry travels at a constant rate. at this rate, what fraction of the distance between the two ports can the ferry travel in one hour?
5 squirrels were found to have an average weight of 9.3 ounces with a sample standard deviation is 1.1. Find the 95% confidence interval of the true mean weight
The gross domestic product the gdp for the United States in 2017 was approximately $2.05x10^3. If you wrote this number in standard notation , it would be 205 followed by how many zeros
Revenue Maximization: A company sells products at a price of $50 per unit. The demand function is p = 100 - q, where p is the price and q is the quantity sold. How many units should they sell to maximize revenue?
Consider the relation R defined on the set of positive integers as (x,y) ∈ R if x divides y. Choose all the true statements. R is reflexive. R is symmetric. R is antisymmetric. R is transitive. R is a partial order. R is a total order. R is an equivalence relation.
*Question!!* *Victory saved 3,000 in first bank and 2,000 Naira in union bank PSC with interest rate of X% and Y% per annual respectively his total interest in one year is #640. If she has saved 2,000 naira with first bank and 3,000 naira in union bank for same period she would have made extra 20# as additional interest, then find the value of X and Y
In a normally distributed data set a mean of 31 where 95% of the data fall between 27.4 and 34.6, what would be the standard deviation of that data set?
A job takes 9 workers 92 hours to finish. How many hours would it take 5 workers to complete the same job?
Divide 22 by 5 solve it by array and an area model
how many arrangement can be made of 4 letters chosen from the 8 letters of the world ABBSOLUTE
TEST 123123+1236ttttt
Buffalo Company makes and sells shampoo. Each unit requires $1.40 labor costs, material costs per unit are $0.90 and other variable costs are $0.30. It sells shampoo for $4.45 to retailers. Fixed costs are $15,000. It sold 25,000 units in the current month. What is the Break-Even point in units? What is the Break-Even point in dollars? What is the contribution margin of Buffalo Company?
2x2
factor the polynomial completely over the set of complex numbers b(x)=x^4-2x^3-17x^2+4x+30
To get to a hotel on the hill you have to travel 6 km of uphill road and every kilometer there are 6 sharp curves. Each of the sharp curves is marked by three traffic signs. How many traffic signs are there on the stretch of road that leads to the arbergi?
7- A printing company found in its investigations that there were an average of 6 errors in 150-page prints. Based on this information, what is the probability of there being 48 errors in a 1200-page job?
solve R the following equation 4 x squared - 35 - 9 over x squared is equal to 0
Triangle ABC has AB=AC and angle BAC =X, with X being less than 60 degrees. Point D lies on AB such that CB = CD Point E lies on AC such that CE= DE Determine angle DEC in terms of X

You might be interested in