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
oee [108]
3 years ago
7

Solve x2 – 8x = 20 by completing the square. Which is the solution set of the equation?

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
5 0

Answer:

<h2>x=2 , x = 6</h2>

Step-by-step explanation:

x² – 8x = 20 ⇌ x² – 2(4)x  = 4 + 16 ⇌ x² – 2(4)x - 16 = 4 ⇌ (x - 4)² = 4

⇌ x - 4 = 2 or x - 4 = -2 ⇌ x = 6 or x = 2

You might be interested in
Why is 0.71875 a rational number
MrMuchimi

Answer:

Because it is terminating.

Step-by-step explanation:

0.71875 is rational because it is terminating (has a clear end). If it were a bunch of random numbers that never ended, then it would be irrational.

6 0
3 years ago
Read 2 more answers
What sequence of rigid transformations takes figure C to figure D?
Nutka1998 [239]

Answer:

D

Step-by-step explanation:

Hope this helps :)

8 0
3 years ago
You are driving from Kansas City to Denver. The distance (in miles) you
ad-work [718]

Answer:

The slope is 70

The slope represents the speed of your car

Step-by-step explanation:

The slope is 70, y = mx + c, where m is the slope

The slope represents the speed of your car

speed = distance/time

speed x time = distance

As y represents the distance you travel, x is the time, slope is the speed, you get the distance travelled.

5 0
3 years ago
Which point is in Quadrant IV?
sattari [20]

Answer:

1,1 or -1,3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Antonio is in a bowling league. His goal is to score an average of at least 100 points per game. His scores so far are 105,95,97
Nataliya [291]
He need to score a 67 to get to his goal hope I helped you out sorry if I get it wrong for you
5 0
3 years ago
Other questions:
  • Which sentence below represents the number of test questions in the problem below?
    8·1 answer
  • How do you find the value of c that satisfy the equation:
    5·1 answer
  • Identify the surface with the given vector equation. r(s, t) = s sin 4t, s2, s cos 4t
    5·1 answer
  • Sonic rolls up a slope at 9.4 m/s. after 3.0 he is rolling back down ay 7.4 m/s. how far up the hill is he at this time?
    12·1 answer
  • Write each percent as a fraction in simplest form?<br><br> 1. 75%
    11·1 answer
  • I need to find the equal expression to -m(2m+2n)+3mn+2m². Help please?
    14·1 answer
  • Urgent, Need Help Quickly
    9·1 answer
  • 1) A medium cookies and creme milkshake at The
    6·1 answer
  • Will the sum of 2x3 + x2 - 4 and -5x² - 6x? be a polynomial?<br> yes<br> no
    5·1 answer
  • How many minutes does it take the duck to fly 1 kilometer?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!