BranasV7 BranasV7
  • 15-11-2017
  • Mathematics
contestada

Use any method to solve the equation. If necessary, round to the nearest hundredth. 4x^2 – 28x = –11

Respuesta :

thomasin
thomasin thomasin
  • 15-11-2017
Remember Order of Operations (PEMDAS). Now, let's solve for x.

4x^2 - 28x = -11

x^2 - 7x = -11/4

x^2 - 7x = -2.75

x^2 - 7x + 2.75 = 0

now, graph the equation to find the x-intercepts (the zeros)

x= 0.418, 6.582




Answer Link
2long2serve2nations
2long2serve2nations 2long2serve2nations
  • 10-11-2018

6.58, 0.42

is the correct answer!!!

Answer Link

Otras preguntas

What does the myth explain about creation? the world on turtles back
What is the concentration of iodine molecules, I 2 in a solution containing 2.54g of iodine in 250 cm 3 of solution?
The total number of shares in Marks brothers is increased by 12.8% how many shares will there be after the increase
Select ALL the correct answers. A supermarket is testing brands of microwave popcorn. For each brand, they recorded the percentage of corn kernels in a package
7.30 x 1.35564873÷547068​
If 2a^2 +3^1a - 5a^2 = 9, then a - a^2 =(A)3(B) 6(C) 9(D) 12​
Which graph shows the equation c = 10+ 3t, where c is the total cost of going to the carnival and t is the number of $3 tickets purchased? On a coordinate plane
How can effective state laws best support a fair election process?
Consider the chemical reaction below. Zn(s) + 2H+(aq) -> Zn2+(aq) + H2(g). Which half reaction correctly represents reduction for this equation?
Write about urinary bladder histology