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

what is leucosolinea?​
Please help! Parallel lines Pythagorean theorem
giving brainlist and thanks!! can an equation in standard form be graphed as a curve?
Bianca is taking collections for this year's Feed the Hungry Project So far she has collected $200 more from Company A than from Company B and $800 more from Co
What is the standard deviation of this data set? Use a calculator to help you. Round your answer to the nearest tenth. 11, 16, 22, 28, 29, 30, 31, 34, 37, 38, 4
use all digit to form the greatest 4 digit even number. 2165
help me please will give brianliest need help in 1hour. A rectangular park is 40 yards wide. A city planner wants to put a 1-yard wide path all the way around i
Which type of validity indicates the assessment tool measures the construct it is intending to measure? For example, this type of validity would determine that
NO LINKS!!!Please help with these parts!! parts b, c, and d​
show the graph of f(x)=5^X