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
neonofarm [45]
2 years ago
8

Evaluate the expression below when x=-1. 2x^2-5/x+9

Mathematics
1 answer:
Greeley [361]2 years ago
3 0

Hey there!


2x^2 - 5 / x + 9

= 2(-1)^2 - 5/ -1 + 9
= (2(-1)^2 - 5) / (-1 + 9)

= (2(1) - 5) / 8

= (2 - 5) / 8

= -3 / 8

≈ -0.375


Therefore, your answer is:

-3/8 OR -0.375

EITHER OF THOSE SHOULD WORK BECAUSE THEY ARE EQUIVALENT TO EACH OTHER!

Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

You might be interested in
Mr. Matthew is testing the online popularity of his custom made belts and wallets that were marketed differently. Some items wer
UkoKoshka [18]

Answer:

it would be 3 days and 54

Step-by-step explanation:

s^3 power is 27, 4(3)+15 is 27, 27+27 equals 54

7 0
2 years ago
Read 2 more answers
Evaluate and reduce:
AfilCa [17]

Answer:

-31/8

Please mark me as brainliest

6 0
2 years ago
Which of the following is a true statement? a) The correlation coefficient r is always greater than 1. b) The coefficient of det
brilliants [131]

Answer:

f) None of the above.

Step-by-step explanation:

When we try to adjust a curve from a scatter plot to try and predict values of the dependent variable y given known values of the independent variable x.

The curve is a function y=f(x) which usually is a line, a logarithmic, parabola, power or exponential.

In order to choose which curve adjust the best, we compute a number r called correlation coefficient.

The closer r  is to -1 or +1, the better the curve adjust the scatter plot.

When r =0, we say there is no correlation between the points x and y

When -1<r<0 we say there is a negative correlation, this means that the values of y decrease as the values of x increase.

When 0<r<1 we say there is a positive correlation, this means that the values of y increase as the values of x increase.

When r =1 or r =-1, we say that there is a perfect correlation. It means that all of the points of the scatter plot lie on the curve.

So, from the possible choices of answer, f) None of the above is the right one.

6 0
3 years ago
What 3 digits are in the thousands period for this number 9,827,276
Wewaii [24]
The thousands are 827 after nine
3 0
3 years ago
Please SOMEONE help me on this asap!!!
VARVARA [1.3K]
As x increases, the value of p(x) approaches a number that is y-int value of q(x)
y- int of the function p is -2 (one more) the y-int of the function q

What choices there are, then I can answer more exactly

8 0
3 years ago
Read 2 more answers
Other questions:
  • Need help on this question please
    6·2 answers
  • Can anyone please help me?
    15·1 answer
  • I'll mark brainliest!
    7·1 answer
  • Isabel is organizing teams for a scavenger hunt. She wants to divide the boys and girls so that each group has the same number o
    15·1 answer
  • When 2x^3-3x^2+kx-1 is divided by x-1 the remainder is 2 find k?​
    11·1 answer
  • What is 10% of 3,457?
    15·1 answer
  • What percentage of 2 hours is 30 minutes
    6·2 answers
  • Look at photo for the question
    12·2 answers
  • The sum of 3 times the value of x and 2 is equal to less than 5 times the value of x. Which equation can be used to find the val
    12·1 answer
  • A straight line L is perpendicular to line 3x-2y+4=0. The area of triangle formed by the line L and coordinate axes is 27 sq.uni
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!