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Vilka [71]
3 years ago
5

Graph the quadratic inequality. y>x2 - 6x + 11

Mathematics
1 answer:
Savatey [412]3 years ago
5 0

Answer:

put the ^ when you do exponents!

Step-by-step explanation:

There are three parts to graphing an inequality.

1. determine if the line will be dashed or solid

2. determine where you will shade in

3 graph with the appropriate line and shade

1. it is just > and not ≥ so the line will be dashed, which means the line itself is not part of the answer.

2. it is y> so you shade in the area inside the parabola.  if y was an actal number it might be more complicated

3. graph x^2 - 6x + 11.  If that seems a bit hard, put it into vertex form by completing the square.

y = x^2 - 6x + 11

y = (x - 3)^2 +2

Since x^2 is positive it opens upward and then plug in 0 for x and y in y = (x - 3)^2 +2 to get the x and y intercepts and the -3 and +2 tells you the vertex (in this case the minimum) is at (3,2),  then remember the points are mirrored on either side of the vertex.  so if the y intercept is 2 to the left and one higher than the vertex, there will also be a point 2 to the RIGHT and 1 up.  then just connect the dots.  Keep in mind there may not be any x intercepts if it never goes below the x axis *hinthintwinkwink*

if all else fails just graph a handful of points to get the idea of the shape.  Just remember you are shading inside of the parabola and using dashed lines.  

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Help please! it wold make my day :)
strojnjashka [21]

Answer: Kahn is wrong because the sequence increases by 5 after every number. The next two numbers in the sequence would be 28, 33. Kahn puts 29, 33 which is incorrect.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Andre has a summer job selling magazine subscriptions. He earns $25 each week plus $3 for every subscription he sells. Andre hop
Strike441 [17]

Answer: 25 + 3n

Step-by-step explanation:

Hi, the answer is lacking the last part:

<em>Write an expression for the amount of money he makes this week. </em>

So, to answer this we have to write an expression:

The fixed amount that he earns per week (25) plus the product of the amount he earns per subscription (3) and the number of subscriptions sold (n) , must be equal to his weekly earnings.

Mathematically speaking:

25 + 3n

Feel free to ask for more if needed or if you did not understand something.  

7 0
3 years ago
What is 6 * (0.8) * 4?
xenn [34]

Answer:

19.2

Step-by-step explanation:

<u>6*(0.8)</u>*4 > 4.8*4

4.8*4 > 19.2

5 0
4 years ago
How do you solve this?
Sloan [31]
Easy, they both add up to 180 degrees. 
2a-9+5a+14=180 
7a+5=180
7a=175
a=25

7 0
4 years ago
Read 2 more answers
PROBLEM SOLVING You deposit $300 into an investment account that earns 12% annual interest compounded quarterly. The graph shows
charle [14.2K]

Answer:

= $1,485.17

Step-by-step explanation:

Hi, Niso.

This is a standard compound interest problem, where an amount, P (the principal) is deposited into an account and earns interest at a fixed rate per period.

The compound interest formula is:    A = P (1 +i / 12)12t      

In the above equation, we divide the annual interest rate by 12 to get the monthly rate and multiply the period in years by 12 to get the number of monthly compounding periods.

 

Therefore,         A = 450 (1 + 0.12/12)12t

                           A = 450 (1.01)12t         <--- this is the required function

After 10 years,   A = 450 x 1.0112x10

                            = 450 x 1.01120

                            = 450 x 3.30039

                             = $1,485.17    [this is the amount after 10 years or 120 months]

6 0
2 years ago
Read 2 more answers
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