combsisabelle combsisabelle
  • 17-04-2018
  • Mathematics
contestada

How many real number solutions does the equation have? 0 = -4x^2 + 7 x - 8

Respuesta :

carlosego
carlosego carlosego
  • 18-04-2018
We have the following expression:
 0 = -4x ^ 2 + 7 x - 8
 The first thing we must do in this case is to rewrite the expression.
 For this, we use the resolver, where:
 a = -4
 b = 7
 c = -8
 Getting:
 0 = (1/8) * (7 +/- i * root (79))
 Answer: 
 The equation has NO real solutions.
Answer Link

Otras preguntas

Find the equation of a line that passes through the points (-2, 2) and (10,4).?
What is the protagonist main goal in rules of the game ?
Combine the two ideas into a single sentence. Images of the setting convey the mood in a scene. Images of characters' dynamic body language and facial expressio
Consider the arithmetic series 3+7+11+ 15 +19+23+27+ .. and answer the questions which follow a) (i) T1.............. S1...............(ii)express T1 in terms
Rewrite the expressions below by completing the square. x^2 -6x +5
What are the five pillars of Maslow's Hierarchy of Needs?
only Q4a, pls help i cant process this question
What is nature of light Definition What is the sources of light What is the behaviours of light Reflection and refraction Colours and light Concave and conv
A mall manager records the number of customers who enter the mall each day. The box plot represents the data. 300 400 500 600 200 Number of Customers Which stat
A strong west wind is keeping the sea breeze from moving onto Florida’s eastern shore. How will this wind affect storm activity? A. It will keep it offshore.