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
ELEN [110]
3 years ago
10

Using the properties of absolute values, simplify the expression x×|x|, if it is known that:

Mathematics
1 answer:
Westkost [7]3 years ago
7 0

Answer:

  • x ≥ 0: x|x| = x²
  • x < 0: x|x| = -x²

Step-by-step explanation:

<u>For x ≥ 0</u>

  |x| = x

so

  x|x| = x(x) = x²

<u>For x < 0</u>

  |x| = -x

so

  x|x| = x(-x) = -x²

You might be interested in
Commute times in the U.S. are heavily skewed to the right. We select a
4vir4ik [10]
I have to do a little more than I thought
3 0
3 years ago
What is the average rate of change for this function for the interval x=2 to x=4?
andrezito [222]

Answer:

12

Step-by-step explanation:

The average rate of change in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [ a, b ] = [ 2, 4 ]

f(b) = f)4) = 32 ← from table

f(a) = f(2) = 8 ← from table

Then average rate of change is

\frac{32-8}{4-2} = \frac{24}{2} = 12

6 0
3 years ago
If B = 0 in a linear equation of the form Ax + By = C, then which statement is also true? A. The graph of this equation is a hor
Vika [28.1K]

Answer:

<h3><u>A) Its horizontal line </u></h3>

Step-by-step explanation:

Ax + By = C

so Ax + (0)y = C

a= c /x

its horizontal

5 0
3 years ago
What is 1/10 of 1000 what is 1% out of 100
Ulleksa [173]
To get 1/10 ->  1000/10 =100
and 1% of 100 -> 100/100 = 1 or 1%

100 for question 1
1 for q2

3 0
3 years ago
() + -8= -6 what is the awnser
Mariana [72]

Answer:x=2

Step-by-step explanation:

change () to x

x + -8= -6

-6+8=2

x=2

5 0
3 years ago
Other questions:
  • Add a sign. <br> 6 5 8 1 2=7,896
    9·2 answers
  • I need a proper answer please, thanks so much.
    11·1 answer
  • S Explain how knowing 50 times 4 =200 helps you find 500 times 400.
    12·1 answer
  • 949 rounded to the nearest ten
    5·1 answer
  • Lemme eat u ;) <br> not like that weirdo<br> love uuuu
    12·2 answers
  • Could someone help me with this?
    7·2 answers
  • HELP ME I WILL LOVE U
    8·2 answers
  • DVD cases are sold in packages of 15. Padded mailing envelopes are sold in packets of 4.
    15·1 answer
  • Karina uses the system of equations below to compare the monthly utility costs in July and December for electricity, x, and natu
    9·1 answer
  • A lateral thoracic spine on a 33-cm patient is usually taken using 100 mA (large focal spot), 0.5 seconds, 86 kVp, 40-inch SID,
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!