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blsea [12.9K]
2 years ago
12

Distributive Property to find (z-5)(z+3)

Mathematics
1 answer:
valentina_108 [34]2 years ago
7 0

Answer:

z×(-5+3)then you complete the sum and that is your answer

Step-by-step explanation:

hope it helps you

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What is the parent function for the following<br><br> f(x) = (x-2) (x-1)
Taya2010 [7]

Answer:

The parent function of  f(x) = (x-2) (x-1) is  P(x) = x^2- 3 x + 2.

Step-by-step explanation:

Here, f(x) = (x-2) (x-1)

Now, parent function of a given function is the function, which is PRODUCT OF ALL IT S FACTORS.

Now, here, f(x) has two factors ( x- 2) and ( x-1)

So, the parent function p(x) of f(x) is given as the product of both the factors.

So, we get:

P(x)  = (x-2) (x-1) \\=  x( x-1) -2(x-1)\\=x^2 - x -2x + 2\\= x^2- 3 x + 2\\\implies P(x) = x^2- 3 x + 2

Hence, here the parent function of  f(x) = (x-2) (x-1) is  P(x) = x^2- 3 x + 2.

6 0
3 years ago
I started at my house at (-3,5) and started driving to fredericksburg. i got a flat tire halfway at (10,-5) how far would my who
coldgirl [10]
(23,-10) would be the answer
3 0
3 years ago
The polynomial equation x^4 + x^3 + x^2 + x + 1 = 0 has zero positive real roots. Please select the best answer from the choices
const2013 [10]

There are zero positive real roots for the given polynomial equation x^4 + x^3 + x^2 + x + 1 = 0. This is explained by Descarte's rule of signs. So, the best choice is T (true).

<h3>What is Descarte's rule of signs?</h3>
  • Descarte's rule of signs tells about the number of positive real roots and negative real roots.
  • The number of changes in signs of the coefficients of the terms of the given polynomial f(x) gives the positive real zeros of the polynomial.
  • The number of changes in signs of the coefficients of the terms of the given polynomial when f(-x) gives the negative real zeros of the polynomial.

<h3>Calculation:</h3>

The given polynomial equation is x^4 + x^3 + x^2 + x + 1 = 0

On applying Descarte's rule of signs,

f(x)=x^4 + x^3 + x^2 + x + 1

Since there are no changes in the signs of the coefficients of any of the terms in the above polynomial, the polynomial has no positive real roots.

f(-x)=(-x)^4+(-x)^3+(-x)^2+(-x)+1\\      = x^4-x^3+x^2-x+1

Since there are four changes in the signs of the coefficients of the terms of the given polynomial when f(-x), the polynomial has 4 negative real roots.

Therefore, the given polynomial equation has zero positive real roots. So, the correct choice is T(true).

Learn more about Descarte's rule of signs here:

brainly.com/question/11590228

#SPJ1

5 0
2 years ago
Easy points of u know it
Aleonysh [2.5K]
I most certainly have no idea :)
3 0
3 years ago
Read 2 more answers
Can someone explain how 8.75 multiplied by 0.8 is 7??? It just don't make sense... I don't see why the number got smaller instea
yarga [219]

Answer:

80% of 8.75=7. I'm pretty sure this is the reason.

3 0
3 years ago
Read 2 more answers
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