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
Calculate the pay for the following day of a
Montano1993 [528]

Answer:

$114.75

Step-by-step explanation:

6 0
3 years ago
An elevator has weight limit of 1 ton. There are 3 people inside the elevator. Each person weighs 150 pounds. How many pounds ca
drek231 [11]

Answer:

2000 Pounds

Step-by-step explanation:

There are 2000 pounds in a US ton.

There are 2240 pounds in an Imperial ton.

There are 2204.62 pounds in a metric ton.

7 0
3 years ago
Which ordered pair comes from the table?
nydimaria [60]
Thas is wrong, it isn't D!!!! its A

4 0
3 years ago
Read 2 more answers
Write an expression that will have a product less than both factors.
anzhelika [568]
-2 * 3 = -6&#10;&#10;&#10;-6 \ \textless \  -2 \ \textless \  3
6 0
3 years ago
Read 2 more answers
Find the length of h. Round your answer to the hundredths place if you get a decimal
Luda [366]

Answer:

sheeeeeeeeeeeeeesh

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Last month Maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. Let x re
    14·1 answer
  • Ruby tosses a quarter off the main stree bridge into the St. John's River. The distance, in feet, the quarter is above the water
    5·1 answer
  • Solve the system of equations.
    10·1 answer
  • How many regular hexagons meet at a vertex to form a regular tessellation? 2 3 4 6
    8·2 answers
  • SIMPLIFY THE EXPRESSION.<br> [X^2+4)^3
    15·1 answer
  • PLEASE HELP QUICK! 20 POINts AND CORRECT
    9·2 answers
  • To anyone who has this question here you go!
    7·1 answer
  • PLS HELP ME WITH ANGLES
    12·2 answers
  • 700 + 300x = 1000<br> What is x?
    12·2 answers
  • By finding tan θ in 2 different triangles find the value of m
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!