nguyenthanhphucbp200 nguyenthanhphucbp200
  • 16-09-2021
  • Mathematics
contestada

chứng minh: x² - 8x + 17 > 0

Respuesta :

TheHelperOfHeck
TheHelperOfHeck TheHelperOfHeck
  • 16-09-2021

Answer: All Real Numbers

x2−8x+17>0  

x2−8x+17=0

For this equation: a=1, b=-8, c=17

1x2+−8x+17=0

x=

−b±√b2−4ac

2a

(Use quadratic formula with a=1, b=-8, c=17)

x=

−(−8)±√(−8)2−4(1)(17)

2(1)

x=

8±√−4

2

All real numbers

Answer Link

Otras preguntas

The square root of 320 is between what 2 numbers
Do the points shown represent additive inverses? Explain why or why not.
y’all what is that ?
The answer please! Thank you have have a great night.
What is the name of the atom in the ring that is not carbon?
What is the highest law in the land?
The Silk Road was established during the a. Zhou b. Song Dynasty. c. Wang d. Han
A person throws 10 darts at the bull’s eye.None of them hit the bull’s eye,but they all hit in the outer most circle, near the number 19 A) accurate B) precis
4 1/2 minutes for 6 laps
Write the functiongetInRange (x, a, b)that takes 3 float values and forces to lie between an and is not necessarily less than. If x is between the two bounds, i