1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Aneli [31]
3 years ago
10

diketahui akar akar persamaan kuadrat 2x^2-9x + 7 = 0 adalah x1 dan x2. nilai dari x1^2 + x2^2- 4x1x2 adalah...

Mathematics
1 answer:
Leviafan [203]3 years ago
6 0
<span>jika xy = 0 , kemudian menganggap x dan y = 0

faktor 2x^2-9+7
(2x-2)(x-7)=0

2x-2=0
2x=2
x=1

x-7=0
x=7

</span><span>jika 1 = x1 dan 7 = x2 maka jawabannya adalah 1^2+7^2-4(1)(7)=22
</span>
jika 7 = x1 dan 1 = x2 maka jawabannya adalah
7^2+7^2-4(7)(1)=22

<span>jawabannya adalah 22</span>


You might be interested in
What methods do stock analysts use to value an asset if they calculate profit minus the cost of capital?
Elan Coil [88]

Answer:

Economic Value Added (EVA)

4 0
2 years ago
How many times does the 8 fit into the 49
Vlada [557]

Answer:

6.125

Step-by-step explanation:

49 divided by 8

49÷8=6.125

4 0
2 years ago
Read 2 more answers
4n+ 6 -2n = 2(n + 3)<br> Please help me solve
Paraphin [41]

Answer is provided in the image attached.

5 0
2 years ago
Read 2 more answers
Please find the answer and explain how you found it
Zigmanuir [339]
The answer is D I made a video incase you can’t see the picture well.
Message me if you want the video.

8 0
3 years ago
What is the sum of 3 sixteen and 2 nines
Mama L [17]


16+16+16+9+9=32+16+9+9=48+9+9=57+9=66

The answer is 66

5 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASEEEEE HELPPPPP SIXTH GRADE MATH HELPPP
    5·1 answer
  • One week, Eva earned $126.00 at her job when she worked for 6 hours. If she is paid the same hourly wage, how much would she mak
    9·1 answer
  • X^2 + 6x + 5 show equation​
    9·1 answer
  • 4. a) A load of 1000N can be lifted by applying an effort of
    9·1 answer
  • Which of the ordered pairs is<br> 4x – 1= 3y + 5
    11·1 answer
  • I’m not sure how to do this please help!
    12·1 answer
  • P•X=-10 <br><br> I already know the answer but what why is P -10?
    11·2 answers
  • Solve this please<br><br> 35 cm = [?] m
    9·2 answers
  • The length of a rectangle is 4yd longer than its width. If the perimeter of the rectangle is 72yd, find its length and width.
    7·1 answer
  • Which of the following equations can be used to find the length of EF in the
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!