littlebitty1999 littlebitty1999
  • 23-05-2022
  • Mathematics
contestada


If using the method of completing the square to solve the quadratic equation x² + 20x6 = 0, which number would have to be added to "complete th square"?
​

Respuesta :

angstar4
angstar4 angstar4
  • 23-05-2022
Is the equation x^2 + 20x + 6?

CTS: (b/2)^2 = 20/2 ^ 2 = 10^2 = 100

x^2 + 20x + 6 + 100 = 100
x^2 + 20x + 100 = 100 - 6
(x + 10)^2 = 94
x + 10 = square root (94)
x = -10 +/- square root (94)
Answer Link

Otras preguntas

Which number is greater? 2.234 or 2.244
Which three ordered pairs complete the table to give solutions of the equation y = –6x? A. (–2, 12), (0,0), and (2, –12) B. (–2, 12), (0,–6), and (2, –12) C.
what are the correct answers to this math sheet?
does learning always have a positive effect on a persons life ?
Which of the following does NOT occur during mitosis? a.centromeres split b.chromosomes replicate c.spindles form
in French what is an infinitive?
The primary nerve which transmits the sensations of smell is the _____ nerve
travant is planning a garden that will cover 1,600 square yards. he wants the ratio of space planting with flowers to space planted with vegetables to be 3:5. h
In a line of students, Jenna is number 8.The teacher says that a rule for a number pattern is add 4. The first student inline says the first term, 7. What numbe
If f(x)=2x-6 and g(x)=x-2xsquared, what is g[f(3)]