3 years ago

PLEASE HELP Explain how to find the average rate of change between n=3 and n=9.

Mathematics

2 answers:

andre [41]3 years ago

8 0

Answer:

3 and 9 are together

Step-by-step explanation:

because in question there is to find average speed

RoseWind [281]3 years ago

7 0

Add 3 and 9 together divided by 2 ....u should get 6

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3 years ago

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charle [14.2K]

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4 years ago

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3 years ago

compute the value of the discriminant and give the number of real solutions of the quadratic equation. -2x²+3x+5=0

SCORPION-xisa [38]

Given a quadratic equation in standard form

$y=ax^2+bx+c$

The discriminant D

$D=b^2-4ac$

tells the types of roots the equation has.

In this case, we have

$\begin{gathered} -2x^2+3x+5=0 \\ a=-2 \\ b=3 \\ c=5 \end{gathered}$

Then, the discriminant of this quadratic equation will be

$\begin{gathered} D=b^2-4ac \\ D=(3)^2-4(-2)(5) \\ D=9+40 \\ \mathbf{D=49} \end{gathered}$

Finally, the value of discriminat is 49 and as he discriminant is greater than zero then this quadratic equation has 2 different real solutions.

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1 year ago

PLEASE HELP Explain how to find the average rate of change between n=3 and n=9.​

PLEASE HELP Explain how to find the average rate of change between n=3 and n=9.