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
Tju [1.3M]
4 years ago
6

If x=-1 work out the value 2x^2 - 6x

Mathematics
2 answers:
miskamm [114]4 years ago
6 0

Answer:

8 would be the value if x = -1

Step-by-step explanation:

2x² - 6x

2(-1)² - 6(-1)

2(1) + 6

2 + 6

8

vovangra [49]4 years ago
6 0

Answer:

8

Step-by-step explanation:

2x^2 - 6x

When x = -1

Plug in the value

We have

2(-1)^2 - 6(-1)

2(-1 x -1) - 6 x -1

2 x 1 + 6

2 + 6

8

You might be interested in
5-7+6+(-3)-1-(-8) simplify
Airida [17]
Your answer would be <span><span><span><span>5−7</span>+6</span>−3</span>−1</span>−<span>(<span>−8</span>) = 8</span>
6 0
4 years ago
What is the slope of the line?
crimeas [40]
You’re close already :).
Slope is rise/run!
So, here you’ve showed that the rise is up 3 units
You’ve also showed that you move over to the right 2 units
It will be 3/2
8 0
3 years ago
(2 3/8 +1 1/4)+ 2 7/8 using properties of addition
irina1246 [14]

Answer:

Well The answer is: 9

Step-by-step explanation:

(2 3/8 + 11/4)=

(2 + 3) + (3/8 + 3/4)= 6 1/8

(6 1/8 + 2 7/8) =

(6 + 2) + (1/8 + 7/8) = 9

Pls give me brainliest i hope this helped

4 0
3 years ago
Match each expression to its simplified form
Rainbow [258]
(6r+7) + (13+7r) = 13r+20
(7r-3/2) - (2/3+6r) = r-13/6
6 0
4 years ago
Sonji has $5.25 in nickels and dimes . The coin value can modeled by the equation 0.10+0.05n=5.25, where d represents the number
Lyrx [107]
63

.10d + .05n = 5.25

.10(21) + .05n = 5.25

2.1 + .05n = 5.25

.05n = 3.15

n = 3.15/.05

n = 63
6 0
3 years ago
Other questions:
  • I need help please and I don't understand it
    9·1 answer
  • 05*10^-3 m in long form
    12·1 answer
  • Number 13............
    14·2 answers
  • Morton sees these stickers at a craft store. What is the ratio of clouds to suns ☁️☀️☁️☁️☀️
    7·2 answers
  • Help please!!! Thank you
    15·1 answer
  • Which perfect square lies between 225 and 289
    11·2 answers
  • Which of the following points lies on the graph of the function y = 3 Superscript x?
    7·1 answer
  • Some electronic devices are better used than new: the failure rate is higher when they are new than when they are six months old
    11·1 answer
  • Please help i really really need help please help me i really really need help please
    10·1 answer
  • I’ll send a picture of problem and graph I don’t know how to write it out on here.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!