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
Effectus [21]
3 years ago
9

The graph 4x^2-4x-1 is shown. Use the grpah to find the estimates for the solutions of 4x^2-4x-1=0 and 4x^2 - 4x-1=2

Mathematics
1 answer:
Darina [25.2K]3 years ago
5 0

Answer:

a) The estimates for the solutions of 4\cdot x^{2}-4\cdot x -1 = 0 are x_{1}\approx -0.25 and x_{2} \approx 1.25.

b) The estimates for the solutions of 4\cdot x^{2}-4\cdot x -1 = 2 are x_{1}\approx -0.5 and x_{2} \approx 1.5

Step-by-step explanation:

From image we get a graphical representation of the second-order polynomial y = 4\cdot x^{2}-4\cdot x -1, where x is related to the horizontal axis of the Cartesian plane, whereas y is related to the vertical axis of this plane. Now we proceed to estimate the solutions for each case:

a) 4\cdot x^{2}-4\cdot x -1 = 0

There are two approximate solutions according to the graph, which are marked by red circles in the image attached below:

x_{1}\approx -0.25, x_{2} \approx 1.25

b) 4\cdot x^{2}-4\cdot x -1 = 2

There are two approximate solutions according to the graph, which are marked by red circles in the image attached below:

x_{1}\approx -0.5, x_{2} \approx 1.5

You might be interested in
Which graph shows y=3⌈x⌉+1?
vovangra [49]

Answer:

Its the bottom-right one

Step-by-step explanation:

Have a good day

8 0
2 years ago
Help I don't wanna get a bad grade
solmaris [256]

Answer:

The answer would be B)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
4-(3-5)=<br> I need help
liraira [26]

Answer:

6

Step-by-step explanation:

I'm 99% sure you know the answer to this and didn't have to resort to this website.

3-5 = -2

Subtracting negative numbers means it becomes positive.

So the gist is that your adding 4 and 2 which is 6.

6 0
4 years ago
Through: (-5, -5), slope=2/5
kakasveta [241]

For this case we have that by definition, the equation of a line in the slope-intersection form is:

y = mx + b

Where:

m: It is the slope

b: It is the cut point with the y axis

The slope is: m = \frac {2} {5}

Thus, the equation is of the form:

y = \frac {2} {5} x + b

We substitute the given point and find "b":

-5 = \frac {2} {5} (- 5) + b\\-5 = -2 + b\\-5 + 2 = b\\b = -3

Finally, the equation is:

y = \frac {2} {5} x-3

Answer:

y = \frac {2} {5} x-3

4 0
3 years ago
1. What is the growth/ decay rate for this exponential function?
Firdavs [7]

Answer:

1. The growth rate is 2

2. The sample is losing half its mass, so the decay factor is 1/2 or 0.5

Step-by-step explanation:

The growth and decay factor in an exponential function is the number that is being multiplied to the power of x

  • It is a growth rate when that number is greater than 1
  • It is a decay rate when the number is less than 1
  • If it's 1 then it's not growing or decaying
  • If it's 0 you will have an answer of 0
8 0
3 years ago
Other questions:
  • To inscribe a hexagon inside a circle, to which length should you set your compass in order to draw the six vertices?
    7·2 answers
  • which of the following best describes the english expression five more thats the quantity of a number minus six
    5·2 answers
  • Which number produces an rational number when added to 0.25
    10·1 answer
  • Help on problem 7!<br> i think i have to do a2/a1 to be correct or something. please help!
    11·1 answer
  • type the correct answer in the box. The formula for the volume, V, of a cone having the radius, r, and the height, h, is shown b
    14·2 answers
  • PLEASE HELP ASAP<br> find JL
    6·1 answer
  • Please can someone help me?
    8·1 answer
  • HELPPPPPP HELPPPPP ANYONE PLEASEEEEEEE
    14·2 answers
  • At Garcia's Bike Rentals, it costs $33 to rent a bike for 6 hours.
    7·2 answers
  • In an arithmetic sequence if a1 =7 and d = 3, find a64
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!