3 years ago

If the x-values increase as the y-values decrease on a line graph, the slope of the line is

Mathematics

1 answer:

alexandr402 [8]3 years ago

5 0

The slope of the line is negative

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Find all zeros of ƒ(x) = 2x^4 – 72x^2. Then determine the multiplicity at each zero. State whether the graph will touch or cross

AleksandrR [38]

Answer: See below

Step-by-step explanation:

To find the factor,

f(x) = 0

$\begin{aligned}&2 x^{4}-72 x^{2}=0 \\&2 x^{2}\left(x^{2}-36\right)=0 \\&x^{2}\left(x^{2}-36\right)=0 \\&x \times x \times(x-6) \times(x+6)=0 \\&\mathrm{x}=0,0,6,-6\end{aligned}$

So,

x = 0 multiplicity 2

x = -6 multiplicity 1

x = 6 multiplicity 1

For an even multiplicty, the graph touches the x-axis, and for an odd multiplicty, the graph crosses the x-axis

Therefore,

x = 0 multiplicty 2, Touch

x = -6 multiplicty 1, Cross

x = 6 multiplicty 1, Cross

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2 years ago

I opened a grocery account at my bank with $250. Every week thereafter, I withdraw $90 from the account to pay for groceries. If

Ksenya-84 [330]

Answer:

y= -90x+250

Step-by-step explanation:

From the information given, the equation would be that the amount in the account would be equal to -90 that is the amount you withdraw from the account each week multiply for x that is the number of weeks plus $250 that is your initial balance:

y= -90x+250, where

y= amount in the account

x= number of weeks.

7 0

3 years ago

Add the following polynomials -4x^2+3xy-y^2 with -7x^2-Xy+6y^2 and x^2+4xy-2y^2

Anestetic [448]

Answer:

-10x2 + 6xy + 3y2

Step-by-step explanation:

3 0

3 years ago

NEED HELP WITH THIS PLEASE DUE TODAY the third picture its together with the second one

kogti [31]

Answer:

-3

-2.5

-2

-9/8

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6 0

3 years ago

What is the estamate of 609-384

Feliz [49]

Hey There!

The estimate of 609-384 would be 600-400, because you are rounding to the nearest hundreds.

Have A Brainly Day :)

8 0

4 years ago

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