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Lana71 [14]
3 years ago
15

Amy used the method of completing the square to find the minimum value of the function y = x2 - 8x - 20.

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
6 0

Answer:

skylar??

Step-by-step explanation:

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Determine
mihalych1998 [28]

Answer:

=4.+2.

Step-by-step explanation:

<u>Linear Combination Of Vectors </u>

One vector \vec b is a linear combination of \vec a_1 and \vec a_2 if there are two scalars x_1, x_2 such as

\vec b=x_1\vec a_1+x_2\vec a_2

In our case, all the vectors are given in R^3 but there are only two possible components for the linear combination. This indicates that only two conditions can be used to determine both scalars, and the other condition must be satisfied once the scalars are found.

We have

\vec a_1=,\ \vec a2=,\ \vec b=

We set the equation

=x_1.+x_2.

Multiplying both scalars by the vectors

=+

Equating each coordinate, we get

4x_1-4x_2=8

5x_1+3x_2=26

-4x_1+3x_2=-10

Adding the first and the third equations:

-x_2=-2

x_2=2

Replacing in the first equation

4x_1-4(2)=8

4x_1=8+8

x_1=4

We must test if those values make the second equation become an identity

5(4)+3(2)=20+6=26

The second equation complies with the values of x_1 and x_2, so the solution is

=4.+2.

8 0
3 years ago
Which statement is true about judy's method?
aniked [119]
A. Judy made a mistake between Steps 1 and 2
To factor x^{2} - 16, you have to factor it as (x-2)(x+2)(x-4), not (x-2)(x+8), because that will leave an extra 6x because of 8x - 2x. 
3 0
4 years ago
Read 2 more answers
What is the complete factorization of the polynomial below?<br>x^3 - 4x^2 + x-4​
postnew [5]

Answer:

<h2>B. (x-4)(x+i)(x-i) </h2>

Step-by-step explanation:

x³-4x²+x-4=

=x²(x-4)+(x-4)

=(x-4)(x²+1)

=(x+4)(x-i²)

<h3>=(x-4)(x+i)(x-i) </h3>

5 0
3 years ago
P=4x+qx-5<br><br> Literal expressions
Mashutka [201]

Answer:

34(43+33(jg

Step-by-step explanation:

7 0
3 years ago
Work out (4 x 3)² ÷ 6
blondinia [14]

An expression is defined as a set of numbers, variables, and mathematical operations. The solution of (4 x 3)² ÷ 6 is 24.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The solution of the expression (4 x 3)² ÷ 6 is,

(4 x 3)² ÷ 6

= (12)² ÷ 6

= 144 ÷ 6

= 24

Hence, the solution of (4 x 3)² ÷ 6 is 24.

Learn more about Expression:

brainly.com/question/13947055

#SPJ1

6 0
2 years ago
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