Question

Find a quadratic model for the set of values

x -2 0 4
f(x) 1 -3 85

A) y = 3x^2 + 6x - 4

B) y = -4x^2 - 6x + 3

C) y = 4x^2 + 6x - 3

D) y = 6x^2 + 4x - 3

Answer 1

C) y = 4x^2 + 6x - 3

Answer 2

just check by substitution of x and y

Answer 3

If this problem was not a multiple choice problem, you do it
that way
\[
f(x)= a x^2 + b x + c\\
f(-2)=4 a-2 b+c=1\\
f(0)=c=-3\\ f(4)=16 a+4
b+c=85

\]
Solve for a, b and c to get
{ a = 4, b= 6, c=-3}

Answer 4

Ok thanks both of you

Answer 5

A few friends are having a disagreement about spotters. Select the statement that shows the individual understands the role of the spotter correctly.

Answer 6

The regular price of a bag is $41.45. During a sale, the bag was marked 20% off.

Answer 7

Celina measured the height of a window frame as 5.55 feet, but the actual height was 6 feet.

Answer 8

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Answer 9

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Answer 10

The price of oranges at a farm is $1.16 per pound. Which equation can be used to determine c, the total price of n pounds of oranges? (1 point)

Select one:

Answer 11

(04.03 LC)

The table below shows the proportional relationship between the weigh

Answer 12

(04.02 LC)
The table shows the price for different numbers of ice cream cones:

Number of Ice Cream Cones Price (in dollars)
2 4
4 8
5 10
8 16
Does this tab

Answer 13

(04.02 LC)
The table shows the price for different numbers of ice cream cones:

Number of Ice Cream Cones Price (in dollars)
2
4
4
8
5
10
8
16
Does this ta

Answer 14

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Answer 15

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Answer 16

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Answer 17

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Answer 18

6.03B Muir Graphic Organizer B

Answer 19

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A diagram of a food web is shown.

Answer 20

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Answer 21

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Answer 22

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Answer 23

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Answer 24

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a) Which is more likely:
Event A: drawing a straight (four consecutive cards e.