lcobos22 lcobos22
  • 10-01-2020
  • Mathematics
contestada

Use the quadratic formula to solve for x.
3x² +9x=-4

Respuesta :

ghanami
ghanami ghanami
  • 10-01-2020

Answer:

Step-by-step explanation:

3x² +9x=-4 means : 3x² +9x+4=0

a=3 and b=9 and c= 4

Δ : b²-4ac       Δ = 9²-4(3)(4) = 81 - 48 = 33

Solution of a quadratic equation ax² + bx + c = 0

x = [-b ± v(b² - 4ac)]/2a    

Δ = b²- 4ac            ........continu                                                                            

Answer Link

Otras preguntas

How are conduction and convection and radiation different?
identify the two types of global food webs and how they are connected. PLEASE HELP I NEED THIS ASAP!!!
Arlo has 6 pairs of slacks and 4 dress shirtsHow many ways can Arlo choose one pair of slacks and one dress shirt ? a) 2 b) 6c) 10d) 24
Find the Value of x in each right triangle.
An eperiment conducted found that is the last 25 days a blue pen 5 times. There are 6 blue pens and 14 black pens. What is the experimental probability of selec
How many men were in the vietnam war and the iraq war?
I don't know something about a shape blah blah blahhhhhh
1. Art theft is the HIGHEST grossing criminal activity follower by drugs and weapons True or false? 2. Why do people steal art? A)I'm the size and shape of the
The primary role of perspiration in homeostasis is to carry excess A. heat from the body. B. fluids from the body. C. waste from the body. D. lactic acid fr
can someone help me with these questions?