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
lianna [129]
3 years ago
8

What is the factored form of these expressions?

Mathematics
2 answers:
vodka [1.7K]3 years ago
8 0
<span>To factor out the expressions, we need to find two integers where the sum is equal to the coefficient of the second term and the product of the integers is equal to the constant.
1. d2 + 18d + 81
x1 = 9 : x2 = 9
9+9 = 18
9x9 = 81

</span><span>(d + 9)2
</span>
<span>2. d2 + 22d + 121
</span><span>x1 = 11 : x2 = 11
11+11 = 22
11x11 = 121

</span>(d + 11)2<span>

</span>3. r2 – 49
x1 = -7 : x2 = 7
-7 + 7 = 0
-7x7 = -49

<span>(r – 7)(r + 7)</span>

gladu [14]3 years ago
4 0

Answer:

Step-by-step explanation:

1. d2 + 18d + 81

x1 = 9 : x2 = 9

9+9 = 18

9x9 = 81

(d + 9)2

2. d2 + 22d + 121

x1 = 11 : x2 = 11

11+11 = 22

11x11 = 121

(d + 11)2

3. r2 – 49

x1 = -7 : x2 = 7

-7 + 7 = 0

-7x7 = -49

(r – 7)(r + 7)

You might be interested in
an exponential growth function represents a quantity that has a constant halving time. True or false?
yawa3891 [41]
A quantity is said to be determined by exponential decay if it diminishes at a rate proportional to its value. The time essential for the decaying amount to descend to half of its initial value. Therefore the answer<span> is False.</span>
5 0
3 years ago
A blueprint for a building includes a rectangular room that measures 3 inches long and 5.5 inches wide. The scale for the bluepr
Nataly_w [17]

Answer:

hahajahahhahahahahahahahahahahahahha

Step-by-step explanation:

losiento mucho ❣❣☹☹✌✌☣☣☣⚠️⚠️⚠️⚠️⚠️⚠️

8 0
3 years ago
Read 2 more answers
PLEASE HELP
Reil [10]
Is there a graph or anything given
6 0
3 years ago
Marylou buys a package of 50 jewels to decorate 4 different pair of jeans.She uses the same number of jewels on each pair of jea
Molodets [167]

She can use 12 jewels for each pair of jeans. In fact, using 12 jewels per jeans implies that she will use 12 \cdot 4 = 48 jewels. The two remaining jewels can't be used on any pair of jeans, otherwise she wouldn't use the same number of jewels for each jeans.

This derives from the fact that, if you divide 50 by 4, you get a result of 12 with a remainder of 2.

6 0
3 years ago
Wilson made fruit punch he used 2 quarts of orange juice and one pint of cranberry juice equals one quart more ginger ale than o
yawa3891 [41]
There are 22 cups in all
6 0
3 years ago
Other questions:
  • How do you write this in numbers<br><br> thirty and fifteen-thousandths
    9·1 answer
  • Kevin drove 22 1/2 miles in 1/3 hour. What was his average speed in miles per hour
    9·1 answer
  • A-3/4=1/8 what is the answer
    8·1 answer
  • Audi surveys 50 students on how they get to school each morning. Results are: 40 ride the school bus, 8 ride in a car, and 2 wal
    15·2 answers
  • You have $10. If you and 3 of your friends want to go to the movies, what does the ticket price need to be for you to be able to
    8·1 answer
  • You and a friend weigh your loaded backpack every day for a week. The results are shown in the table. Find the mean, median, mod
    13·1 answer
  • What is the value of g (1) for the function g(x) = 2x + 5?<br><br> Asap
    11·1 answer
  • Please simplify this it would help a lot
    14·2 answers
  • Pls help asap so confused!!!!<br><br> What is the distance??
    6·1 answer
  • Help would be appreciated, thanks
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!