3 years ago

Write an expression that is equivalent to (3+14)+27

Mathematics

1 answer:

Julli [10]3 years ago

3 0

Answer:

Step-by-step explanation:

1. (3+14)=17

2. 17 + 27= 44

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For the polynomial function ƒ(x) = x4 −25x2, find the zeros. Then determine the multiplicity at each zero and state whether the

Veronika [31]

<u>ANSWER</u>

The zeros are $x=-5,x=0,x=5$

EXPLANATION

Given;

$f(x)=x^4-25x^2$ .

We can rewrite the function as

$f(x)=x^2(x^2-25)$

$\Rightarrow f(x)=x^2(x^2-5^2)$

$\Rightarrow f(x)=x^2(x-5)(x+5)$

The zeros are found by equating the function to zero.

$\Rightarrow x^2(x-5)(x+5)=0$

$\Rightarrow (x-5)=0$

The multiplicity is 1, since it is odd the graph crosses at this intercept. which is $x=5$

$\Rightarrow (x+5)=0$

The multiplicity is 1, since it is odd the graph crosses at this intercept. which is $x=-5$

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This last root has a multiplicity of 2.

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Since the multiplicity is even, the graph touches the x-axis at the point $x=0$ .

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Write an equation to find the value of x so that each pair of polygons has the same perimeter. Then solve

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The Pythagoras Theorem:

the base squared and height squared added is equal to the hypotenuse squared.

(x+6)² + (x+3)²= (x+9)²

x²+36+12x+x²+9+6x = (x+9)²

2x²+45+18x=x²+81+18x

x²=36

x=√36

X= 6

now

(x+6)= 12

(x+3)=9

(x+9)=15

haha sorry correct it pls

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2 years ago