shay547 shay547

11-07-2018
Mathematics

contestada

2x^2+10=4 solve using quadratic formula

Respuesta :

11-07-2018

First rewrite in the form ax² + bx + c = 0
So a=2, b=0 (there are no x terms!) and c = 10-4=6.

x = +-√-(4*2*6) / 2*2 = +- √-48 / 4 = +-√(-3*16) / 4 = +-i√3

The solutions are imaginary. Are you sure there is no typo in the equation?

Answer Link

Otras preguntas

A sample of an ideal gas is cooled from 50.0°C to 25.0°C in a sealed container at constant volume. Which of the following values for the gas will decrease? I.

Mr. Paul pays the parking bill before tax at a cost of 33.20. The parking tax rate is 2%. Mr. Paul decides to leave a 5% tip for the parking guard based on the

20.Find the slope of a line parallel to 3x - y = 1

mrs. mulcahy is concerned that she may not qualify for enrollment in a medicare prescription drug plan because although she is entitled to a part a she is not e

(2a^2b-5b^3+4a^4b^2)-(7b^3+8a^4b^2-7a^2b) I need this simplified and in standard form (Algebra 2)

Which of these passages would most likely be part of an expository text? Passage 1 What makes weather? Earth's temperature is partly responsible. Water vapor in

g Find the ∆Hrxn for the reaction: 3C(s)+4H2(g) →C3H8(g) Using these reactions with known ∆H’s: C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g) ∆H = −2043 kJ C(s) + O2(g)

Drag each label to the correct box. Not all labels will be used. William says that 15 years from now, his age will be 3 times his age 5 years ago. If x represen

Letter A company charges a flat rate of $129 (yearly) for AP and $7.99 for each HD movie rental. YR charges a flat rate of $144 (yearly) and $4.99 for each mov

If the sum of two whole numbers is 24 more than their difference, then one of the number must be a) 0 b) 6 c) 12 d) 48