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
Dafna1 [17]
4 years ago
15

What number must be added to the expression below to complete the square? x^2+x. a.1/4 b.1/2 c.2 d.1

Mathematics
1 answer:
torisob [31]4 years ago
3 0

Option a. 1/4 is the right answer

Step-by-step explanation:

Given expression is:

x^2+x

Here

we know that

a = x

In order to find the number which should be added

comparing with the formula

(a+b)^2 = a^2+2ab+b^2

2ab = x\\2.x.b = x\\b=\frac{x}{2x}\\b = \frac{1}{2}

So, we will add the square of 1/2 which is 1/4

Hence,

Option a. 1/4 is the right answer

Keywords: Expressions, polynomials

Learn more about polynomials at:

  • brainly.com/question/629998
  • brainly.com/question/6208262

#LearnwithBrainly

You might be interested in
15
Evgesh-ka [11]

Answer:

Height = 14.4

Step-by-step explanation:

The diagonals meet at right angles. Interesting property.

The hypotenuse is the side of the rhombus = 15 cm

One of the sides of the small triangles created by the intersection of the diagonals = 24/2 = 12

You can find the other side of the the triangle by using the Pythagorean Theorem

a^2 + b^2 = c^2

c = 15

a = 12

b = ?

12^2 + b^2 = 15^2

144 + b^2 = 225

b^2 = 225 - 144

b^2 = 81

b = 9

The area of this right angle = 9 * 12/2 = 54

There are 4 of them so 4 * 54 = 216

That's the area of the rhombus.

The h= Area / b

b = 15

h = 216/15

h = 14.4

8 0
3 years ago
Find the missing side length of the right triangle 5in 15in
kumpel [21]

Answer:

15, because the sides are congruent except for the bottom ones

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please help? <3 thank you
Effectus [21]

Answer:

asking 10 students wearing football jerseys each day for a week

Step-by-step explanation:

if students come to school wearing a football jersey then more than likely their favorite sport is football which means that your results will not be as accurate as the others.

3 0
3 years ago
Read 2 more answers
The following double line graph represents the enrollment of students at Jefferson Middle School for 2006 through 2009. What was
Mnenie [13.5K]

Answer:

20

Step-by-step explanation:

5 0
3 years ago
Drag the phases into the box to match the expression
Annette [7]
1- one half more than three fourths of a number
2- three fourths minus one half of a number
3- three fourths minus the sum of a number and one half
HOPE THIS HELPS!!
4 0
3 years ago
Other questions:
  • A rectangular box has a square base. its height is one fourth the width of the base. find a function that models its volume v in
    7·1 answer
  • Jess made 3 different stacks of wooden blocks. The first stack was 8 blocks high ,the second stack was 4 blocks higher than the
    15·1 answer
  • Y= (x - 2)²-7 how do I graphic this<br>​
    11·1 answer
  • In Euclidean geometric terms, which of the below would be the best description of a<br> LINE?
    12·1 answer
  • Michael has a free throw record of .625. If he has to shoot 50 baskets, how many can we expect him to make?
    13·1 answer
  • -3/4 ÷ 2/9=<br><br><br><br><br>I've missed days of school and am super. lost​
    10·1 answer
  • A bakery celebrated its 25th anniversary
    7·1 answer
  • What is the completely factored form of the following expression? 5xy-10y
    7·1 answer
  • Order the side lengths HI, IK, HJ, IJ, and KJ from least to greatest.​
    7·1 answer
  • At a soccer tournament 12 teams are wearing red shirts, 6 teams are wearing blue shirts, 444 teams are wearing orange shirts, an
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!