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svetlana [45]
3 years ago
14

Graph y - 5 = - 2/3 (x + 9) using the point and slope given in the equation.

Mathematics
2 answers:
mamaluj [8]3 years ago
7 0
Slope -2/3
Y- Intercept -1

spin [16.1K]3 years ago
5 0

Answer:

Please find the attachment.

Step-by-step explanation:

We are asked to graph the equation y-5=-\frac{2}{3}(x+9).

We know that point-slope form of an equation is in form y-y_1=m(x-x_1), where, m represents slope of line and (x_1,y_1) is a point on the line.

We can see that slope of the line is -\frac{2}{3}, so line will be a decreasing line.

We can represent the given equation as y-5=-\frac{2}{3}(x-(-9)).

The line will pass through the point (-9,5).  

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<h2>Answer:</h2>

<h3>1)    \frac{1}{2}</h3><h3>3)   \frac{1}{6}</h3><h3>5)   \frac{2}{3}</h3><h3 /><h2>Step-by-Step Explanation:</h2><h3 />

1.<em> </em>Find the probability of rolling less than a four.

<u>Probability Outcomes</u> = 1, 2, 3, 4, 5, 6

<u>Outcomes lower than four</u> = 1, 2, 3

Then to answer it you need the probability in the form of a fraction.

\frac{3}{6} simplifies into \frac{1}{2}

2. Find the probability of rolling an even prime number.

<u>Probability Outcomes</u> = 1, 2, 3, 4, 5, 6

<u>Prime Numbers Through 1-6</u> = 2, 3, 5

<u>Even Prime numbers Through 1-6</u> = 2

So the probability in the form of a fraction.

<h3>\frac{1}{6}</h3><h3 />

3. Find the probability of rolling factors of 20.

<u>Probability Outcomes</u> = 1, 2, 3, 4, 5, 6

<u>Factors of 20 Through 1-6</u> = 1, 2, 4, 5

So probabilty in the form of a fraction.

\frac{4}{6} simplifies into \frac{2}{3}

<h3>That's all! I hope this helps! If you ever need my help, just friend me and message me!</h3>
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Delicious77 [7]

Answer:

f(x)=-a(x+2)(2x-1)(x-3) where a>0.

To graph the the polynomial, begin in the left top of quadrant 2. Then draw downwards to the first real zero on the x-axis at -2. Cross the x-axis and then curve back up to 1/2 on the x-axis. Cross through again and curve back down to cross for the last time at 3 on the x-axis. The graph then ends going down towards the right in quadrant 4. It forms an s shape.

Step-by-step explanation:

The real zeros are the result of setting each factor of the polynomial to zero. By reversing this process, we find:

  • zero -2 is factor (x+2)
  • zero 1/2 is factor (2x-1)
  • zero 3 is factor (x-3)

We write them together with an unknown leading coefficient a which is negative so -a.

f(x)=-a(x+2)(2x-1)(x-3) where a>0

The leading coefficient of a polynomial determines the direction of the graph's end behavior.

  • A positive leading coefficient has the end behavior point up when an even degree and point opposite directions when an odd degree with the left down and the right up.
  • A negative leading coefficient has the end behavior point down when an even degree and point opposite directions when an odd degree with the left up and the right down.
  • This graph has all odd multiplicity. The graph will cross through the x-axis each time at its real zeros.

To graph the the polynomial, begin in the left top of quadrant 2. Then draw downwards to the first real zero on the x-axis at -2. Cross the x-axis and then curve back up to 1/2 on the x-axis. Cross through again and curve back down to cross for the last time at 3 on the x-axis. The graph then ends going down towards the right in quadrant 4. It forms an s shape.

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