darkpain6098 darkpain6098

23-05-2018
Mathematics

contestada

Bonus solve the equation aݔ ଶ + 7x – 4 = 0 for x by using the quadratic formula.

Respuesta :

tramserran tramserran

23-05-2018

   x² +   7x   - 4 = 0
a = 1, b = 7, c = -4

x = [-b +/- √(b² - 4ac)]/2a
   = [-7 +/- √(49 + 4)]/2
   = (-7 +/- √53)/2

Answer Link

Otras preguntas

I need help, i get like 4712, but its not an answer

Is this sentence essential or nonessential? Blind people may have better hearing than people who can see.

What is the capital city of Spain?

help!!! will get 30 points !!

Write the difference of 17x−13y+8 and 20x+6y

Here are Babe Ruth's home run totals for the New York Yankees during the years 1920 - 1934:54, 59, 35, 41, 46, 25, 47, 60, 54, 46, 49, 46, 41, 34, 22Which of th

The Aztecs adopted which aspects of maya civilization?

factorise with factor theorem: 8y^3-125x^3

Explain why you would arrive at a complex solution when dealing with the zeros of a quadratic function.

Which function represents a translation of the parent cubic function 8 units to the left? h(x) = x3 + 8 h(x) = x3 – 8 h(x) = (x + 8)3 h(x) = (x – 8)3