Seudónimo Seudónimo

05-04-2017
Mathematics

contestada

Solve the quadratic equation 2x^2-4x-1=0

Respuesta :

05-04-2017

x =(4+√24)/4=1+1/2√ 6 = 2.225

or:

x =(4-√24)/4=1-1/2√ 6 = -0.225

Answer Link

Otras preguntas

Type of software which is used to create slide show is

Mention and explain 5 solutions to marital challenges

Look at the picture below <3 please help!

On a certain hot summer's day, 310 people used the public swimming pool. The daily prices are $1.75 for children and $2.50 for adults. The receipts for admissi

If θ=0rad θ = 0 r a d at t=0s t = 0 s , what is the blade's angular position at t=20s t = 20 s ?

The expression 8x – 4 represents the cost of 8 pairs of socks Emma bought, less the $4 coupon she had. Which property is applied to the expression to write the

a student takes several measurements. how can the student determine which measurement is the least percise? its for a test!!

3) reflection across the y-axis

A scale model of a building 6 inches wide and 14 inches tall. If the original building is 21 feet tall, how wide is the building?

Find the volume of a cube if the mass is 55.6 grams and the density is 1.23 g/ml.