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Darina [25.2K]
2 years ago
9

The graph of a quadratic function has a vertex at the point (8,6). It passes through the point (-4,-5). Which of the following e

quations
represents this function?
Mathematics
1 answer:
Mandarinka [93]2 years ago
6 0

Answer:

y= -11/144(x-8)^2+6

Step-by-step explanation:

This equation can be represented in vertex form, which is:  

y=a(x-h)^2+k

If we plug in 8 as h and 6 as k we get the following equation:

y=a(x-8)^2+6

Now we have to plug in x and y. We can use the other point (-4,-5) and plug it into the equation and get:

-5=a(-4-8)^2+6

Once we solve this we get a= -11/144

Now we have to plug in -11/144 into the original equation to get

y = -11/144 (x-8)^2 + 6

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I don’t understand this
loris [4]

Answer:

62°

Step-by-step explanation:

The vertex angle is half the difference of the intercepted arc angles.

∠A = ½ (CE − BD)

x = ½ (4x − 10 − 26)

x = ½ (4x − 36)

x = 2x − 18

18 = x

Therefore, the measure of CE is:

4(18) − 10 = 62

3 0
3 years ago
Please help!! It’s an missing assignment due in 30 minutes these two are my last questions please!
LiRa [457]
There u go ur welcome!

5 0
3 years ago
Read 2 more answers
the length of a cell is 2/3 mm. If the area of the cell is 1/12 square mm, whtat is the width of the cell
Andrews [41]

Answer:

0.125 mm

Step-by-step explanation:

A/L=W

W=0.125

5 0
1 year ago
Write an equation in slope-intercept form for the line with slope −2/3 and y-intercept 2.
Damm [24]

Answer:

\huge\boxed{\sf y = -\frac{2}{3}x + 2 }

Step-by-step explanation:

Slope = m = -2/3

y-intercept = b = 2

<u>Slope-intercept equation/form:</u>

y = mx + b

y = -2/3 x + 2

\rule[225]{225}{2}

Hope this helped!

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7 0
2 years ago
Use the drop-down menus to complete each equation so the statement about its solution is true.
tino4ka555 [31]

Answer:

No solutions: 7−5+3x−1= 3x + 7

One solution: 7−5+3x−1= 2x + 4

Infinitely Many Solutions  7−5+3x−1= 3x + 1

Step-by-step explanation:

No solutions means it results in no x and a false statement like 3 = 0.

One solution means it results in x = a number.

Infinite solutions means its results in no x and in a true statement like 3=3.

  • So to get No solutions: 7−5+3x−1= 3x + 7

This will eliminate the x and result in 1 = 7 which is false.

  • One solution: 7−5+3x−1= 2x + 4

This will result in x= 3

  • Infinitely Many Solutions  7−5+3x−1= 3x + 1

This will eliminate the x and result in 1 = 1 which is true.

7 0
3 years ago
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