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olga2289 [7]
3 years ago
13

Identify the type of regression that returns the equation y = x^2 + 7x - 15.

Mathematics
1 answer:
horrorfan [7]3 years ago
4 0

Answer:

  B.  quadratic

Step-by-step explanation:

The equation y=x^2+7x-15 is a quadratic equation. It might be the result of a quadratic regression.

_____

The descriptors "linear," "quadratic," "exponential," and "power" describe the sort of equation that is used to try to match the data. Quadratic regression returns a quadratic equation.

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y-intercepts are where the graph crosses the y-axis. This is (0, -3)  from the graph.

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4 years ago
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What is the total surface area of the
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Answer:468 in2

Step-by-step explanation:

7 0
3 years ago
If the first term of an arithmetic sequence is 4 and the difference between con-
BaLLatris [955]

Answer:

Second term=9

Third term=14

Twelfth term=59

Eightieth term=399

nth term=-1+5n

Step-by-step explanation:

First term=a=4

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using the formula

Tn=a + d x (n-1)

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Second term=4 + 5 x 1

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3rd term=4+5x(3-1)

3rd term=4+5x2

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12th term=4+5x11

12th term=4+55

12th term=59

80th term=4+5x(80-1)

80th term=4+5x79

80th term=4+395

80th term=399

nth term=4+5(n-1)

nth term=4+5n-5

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6 0
3 years ago
Write the equation of the line in​ slope-intercept form that passes through the points​ (-12, -6) and​ (8, 9).
irakobra [83]

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Apply the angle bisector theorem to find both variables.

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✔️x/2 = 6/4

Cross multiply

x*4 = 6*2

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9(8 - y) = 3*y

72 - 9y = 3y

72 = 3y + 9y

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6 = y

y = 6

3 0
3 years ago
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