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AnnZ [28]
2 years ago
6

If both the length and width of a rectangle are doubled, how is the area of the rectangle changed?

Mathematics
1 answer:
Law Incorporation [45]2 years ago
7 0

Answer:

B) The area is four times larger

Step-by-step explanation:

A=LW

2*2*A=2L2W

4A=2L2W

Therefore, the area is four times larger

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Write the general polynomial p(x) if its only zeros are 1 4 and -3 with multiplicites 3 2 and 1 respectively what is the degree
kompoz [17]

Answer:

The 6th degree polynomial is p(x) = (x-1)^3(x-4)^2(x+3)

Step-by-step explanation:

Zeros of a function:

Given a polynomial f(x), this polynomial has roots x_{1}, x_{2}, x_{n} such that it can be written as: a(x - x_{1})*(x - x_{2})*...*(x-x_n), in which a is the leading coefficient.

Zero 1 with multiplicity 3.

So

p(x) = (x-1)^3

Zero 4 with multiplicity 2.

Considering also the zero 1 with multiplicity 3.

p(x) = (x-1)^3(x-4)^2

Zero -3 with multiplicity 1:

Considering the previous zeros:

p(x) = (x-1)^3(x-4)^2(x-(-3)) = (x-1)^3(x-4)^2(x+3)

Degree is the multiplication of the multiplicities of the zeros. So

3*2*1 = 6

The 6th degree polynomial is p(x) = (x-1)^3(x-4)^2(x+3)

8 0
2 years ago
What is the y-intercept of the function f(x) = 2x – 3 + 6? <br> Round to two decimal places.
valina [46]
Y-intercept is where the graph intercepts/crosses the y-axis. So where x = 0
f(0) = 2(0) - 3 + 6
f(0) = 0 + 3
f(0) = 3
y intercept is 3
two decimal places, just add zeros
= 3.00
6 0
3 years ago
28 (A.3A) Determine the slope of the line that
Dvinal [7]
The slope would be -5, I will explain if you would like me to
8 0
3 years ago
Read 2 more answers
What is the slope of the line on the graph?
netineya [11]

Answer: i don't know you have to figure it out yourself duh.

Step-by-step explanation: This is none of your beeswax

7 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B3%7D%20n%20%284p%20%2B%20%5Csqrt%7B36%7D%20-%202%20%7Bn%7D%5E%7B2%7D%20" i
Neporo4naja [7]

Answer:

-16.

Step-by-step explanation:

2/3 * (-3) * (4*5 + 6 - 2(-3)^2)

= -2(20 + 6 - 18)

= -2 * 8

= -16.

4 0
1 year ago
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