kkbtr2002 kkbtr2002
  • 25-07-2020
  • Mathematics
contestada

Solve 2x^2– 5= 3x with the quadratic formula

Solve 2x2 5 3x with the quadratic formula class=

Respuesta :

CSMedrano
CSMedrano CSMedrano
  • 25-07-2020

Answer:

see below

Step-by-step explanation:

2x^2-3x-5=0

Well a=2, b=-3, c=-5

[tex]x=\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)} }{2*2}\\\\ x_1=\frac{3+\sqrt{49} }{4} =\frac{3+7}{4} =\frac{10}{4} =\frac{5}{4} \\\\x_2=\frac{3-\sqrt{49} }{4} =\frac{3-7}{4}=\frac{-4}{4} =-1[/tex]

Answer Link

Otras preguntas

Which relation is a function? O • → A++OF 10 0 • 2 O O 44 0 44 10 -0
Title of a song O Italics or Underline Quotation marks
Data Pags Find the specific heat capacity of a liquid which takes 2 min to cool from 50°C to 40°C in vessel in which the same amount of water take 5m to cool th
(c) In the given figure ABC is a triangle, DE || BC and (i) Find AD AB (ii) Prove that the triangle ADE is similar to DE triangle ABC and find BC (iii) Prove th
ramazan ayının anlam ve önem​
đánh giá cơ sở tư tưởng pháp luật thời Hậu Lê
Một tàu cao tốc đang di chuyển ở tốc độ 50 m/s hướng về một vị trí cách đó 200 m. Tài xế bắt đầu hãm tốc với gia tốc -4 m/s2. Chiếc tàu sẽ tới đó sau Trả lời gi
The three articles contained many pictures of various green buildings. Compare and contrast some of these buildings. What are their similarities and differences
Refer to The Glory of Greece for a complete version of this text. What information is shown on the map from page 18?
b. Give four (10) reason necessary for one to know him/herself​