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hoa [83]
3 years ago
10

Find a quadratic function associated with vertex (h, k) = (2, 1) and point (x, y) = (6, 7) that the parabola passes through.

Mathematics
1 answer:
Art [367]3 years ago
7 0
Try this option:
1. for vertex (2;1) the first equation is: h=-b/2a, it means 2=-b/2a or b=-4a;
2. for vertex (2;1) the second equation is: ax²+bx+c=y, it means 1=4a+2b+c;
3. for point (6;7) the third equation is: ax²+bx+c=y, it means 7=36a+6b+c.
4. using three equation, it is possible to make up the system of equations (and solve it). Details are in the attached picture.
answer:
y= \frac{3}{8}x^2 - \frac{3}{2}x + \frac{5}{2}
The graph is in the attachment.

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Find the slope of the line. Enter your answer in simplest form.<br><br> Please answers this
pantera1 [17]

Answer:

The slope is zero.

Step-by-step explanation:

<u>-7 -(- 7)</u>

7 -(-2)

= 0/9 = 0

3 0
3 years ago
How does A compare to B a=cos(0+2pi) b=cos(-0)
AnnZ [28]
You can use the double angle formula for A.
Cos(0 + 2pi) = Cos(0)*Cos(2*pi) - Sin(0)*Cos(2*pi)
Cos 0 = 1
Cos (2*pi) = 1
Sin(0) = 0
So you are left with cos(0 + 2pi) = 1 * 1 = 1

there are a couple of ways of handling Cos(-0) 
The First and most obvious way is to put it in your calculator just as you see it. Most calculators would do it like this
Cos(
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The result should be 1
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3 0
4 years ago
(-2+1)+5(12 divided by 3)-9
Kay [80]

Answer:

10

Step-by-step explanation:

(-2+1)+5(12\3)-9

(-1)+5(4)-9

-1+20-9

10

4 0
3 years ago
Please help i need this answer in 5 min
strojnjashka [21]

Answer:6

Step-by-step explanation:

using BIDMAS: Brackets,Indices,division,multiplication,addition,subtraction.

1) Firstly you do the problem in the brackets. (-19 - -20) two negatives next to each other make a plus(+) meaning (-19 - -20) = (-19+20) which = 1

2) Next Step is to do the multiplication section. Since we got 1 in place instead of (-19 - -20) we multiply -3 by 1 which = -3.

3) Now the equation we have is 11 + -8 - -3. In BIDMAS both addition and subtraction are equal therefore we can do it in any order. 11 + -8 is the same as 11 - 8 = 3

4) The problem we have now is 3 - -3, like we said before two negatives next to each other make an addition sign(+) so 3 - -3 = 3+3 = 6, therefore getting the answer 6.

Thank you for reading,please let me notify me if I've missed anything out!

6 0
2 years ago
Read 2 more answers
How to do literal equations 7x-y=14 solve for x
Ilya [14]
7x-y=14  :add 'y' to both sides
7x=14+y  :divide both sides by 7
x=(14+y)/7  or x=2+(y/7)
4 0
3 years ago
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