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nikklg [1K]
3 years ago
12

Use technology to determine an appropriate model of the data. (-1,0), (1,-4), (2,-3), (4,5), (5,12)

Mathematics
2 answers:
goblinko [34]3 years ago
5 0
An appropriate model is a quadratic, y=0.999x²-1.999x-3.

The r² value is 1, so it is a perfect fit.

alukav5142 [94]3 years ago
4 0

Answer:

The required quadratic regression model is y=x^2-2x-3.

Step-by-step explanation:

The given data points are (-1,0), (1,-4), (2,-3), (4,5), (5,12). Plot these points on a coordinate plane.

From the graph it is clear that the given data forms a U-shaped curve. It means we have to find the quadratic regression model.

The general form of quadratic regression model is

y=ax^2+bx+c

Using technology we get,

a=1,b=-2,c=-3

The required quadratic regression model is

y=x^2-2x-3

Therefore the required quadratic regression model is y=x^2-2x-3.

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A+1=1 find the value of b^a​
Ray Of Light [21]

Answer:

1

Step-by-step explanation:

a+1=1

a=1-1

a=0

b^a which means:

b^0

whenever power is 0 answer is always one

so value of b^a is 1

6 0
3 years ago
Read 2 more answers
2x + y = 3 x - 2y = -1 If equation two is multiplied by -2 and then the equations are added, the result is what?
photoshop1234 [79]

Answer:

  1. 2x + y
  2. 3 x - 2y
  3. -1

2(3 x - 2y) = -6x + 4y

2x + y + -6x + 4y + -1 = -4x + 5y -1

5 0
3 years ago
koda Buys 0.75 kg of cortos,which ia 5times the mas of the union he also Buys. How much does the union weigh?
kari74 [83]

Answer:

0.15kg

Step-by-step explanation:

Given data

We are told that

0.75 kg of cortos weights 5times the mas of the onion

We want to find the mass of 1 onion

Hence

0.75 kgcortos = 5 onions

      x cortos = 1 onions

x= 0.75/5

x= 0.15kg

Hence 1 onion will weigh 0.15kg

4 0
3 years ago
A ball is dropped out a wimdow that is 36 feet high. how long does it take for the ball to hit the ground
Readme [11.4K]
36 feet to metres = 10.97
first find the final velocity
vf^2 = vi^2 + 2ad
vf^2 = 0 + 2(9.81)(10.97)
vf^2 = 215.2314
vf = 14.6708

vf = vi + at
at = vf - vi
t = (vf - vi)/a
t = (14.6708)/9.81
t = 1.4955seconds
4 0
3 years ago
The soup was missing and 3/4 of the soup was gone 1/4 was in the pot. you have to feed 6 children. How much soup do you give to
postnew [5]

Answer:

1/24

Step-by-step explanation:

1/4 divided by 6 will equal 1/24 of the soup to each kid

this is reproved when you add 1/24 x 6 and it will give .25 which is 1/4

8 0
3 years ago
Read 2 more answers
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