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
Ugo [173]
3 years ago
5

Which of the following statements is true about completing a square? A. When completing the square, subtract the square of half

the coefficient of x from both sides of the equation. B. When completing the square, add the square of half the coefficient of x to only the x^2+bx side of the equation. C. When completing the square, add half the coefficient of x to both sides of the equation. D. When completing the square, add the square of half the coefficient of x to both sides of the equation.
Mathematics
2 answers:
Darina [25.2K]3 years ago
5 0

Answer:

D

Step-by-step explanation:

So, let's say that we have the following equation:

x^2+bx=0

And we want to complete the square.

What we need to do is to divide the coefficient of x by half. Square that. Then add that number to both sides.

The answer that reflects this is choice D.

For instance if we have:

x^2+4x=0

Divide 4 by 2 and then square it.

4/2 is 2. 2²=4. Add 4 to both sides. Thus:  

(x^2+4x)+4=0+4

And now, we can complete the square:

(x+2)^2=4

Bezzdna [24]3 years ago
5 0

Answer:

D just took the test

Step-by-step explanation:

You might be interested in
HELLPPPP I WILL GIVE BRAINIEST!!!!!!!!!!!!<br><br> 2x+3=20-15
Nesterboy [21]

Here you go!

Answer: X = 1



8 0
3 years ago
Read 2 more answers
Find the length of the longer side of rectangle ABCD in the graph.
labwork [276]
9 units is the answer
8 0
3 years ago
Read 2 more answers
Point F' corresponds to<br> point D.<br> point E.<br> point F.<br> opoint E.
Arada [10]

refer to the attachment

6 0
2 years ago
Read 2 more answers
What is the solution to the system of equations?
algol [13]
20 divided by 3 is 998
3 0
3 years ago
Edgar collects sports T-shirt.He has 16 socoT-shirts and 24 rugby T- shirts. He has 12 hats. Haw many T -shirt does Edgar have i
Marianna [84]
Edgar has 40 shirts. The equation you could write is 24+16=40.  Hope this helps!!
7 0
3 years ago
Other questions:
  • Geometric Sequence Pre-Calc<br> Please help with questions highlighted in red
    5·1 answer
  • There are 800 students at Prestfield School. 45% of these 800 students are girls
    14·1 answer
  • Please help! Correct answer will get brainliest.
    6·2 answers
  • I just need someone to check my answer.
    14·1 answer
  • Can someone answer this question please answer it correctly if it’s correct I will mark you brainliest
    8·2 answers
  • PLEAS HELP I WILL GIVE 10 POINTS
    8·1 answer
  • I will give brainiest to whoever answers correctly !!
    14·2 answers
  • What is the equation of the line that passes through the point (-5, 5) and has a slope of -1
    14·1 answer
  • HELP DUE IN 20 MINS!!!!!!
    13·1 answer
  • 1- Operations with Fractions<br><br> 2 1/2 - 5/3
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!