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Andrew [12]
3 years ago
14

Find the slope of a line passing through the given points. 2,5) and (4,-7) help me

Mathematics
1 answer:
LekaFEV [45]3 years ago
7 0

<em>-7 -5 / 4 -2 / -12/2 </em>

<em>-12/2 = -6 </em>

<em>Slope: -6x </em>

<em>5 = 2(-6) + b</em>

<em>5 = -12 + b </em>

<em>-12 + 17 = 5 </em>

<em>Slope intercept Form: y = -6x + 17</em>

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You can use the discriminant rule, which is :
b^2 -4ac
“exactly one solution” means that it is equal to zero
so:
b^2 -4(4)(9)=0
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b^2=144
square root both sides
b=12 or -12

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Answer:

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d. The number of home runs in a baseball game: is a discrete random variable.

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Step-by-step explanation:

A random variable often used in statistics and probability, is a variable that has its possible values as numerical outcomes of a random experiment or phenomenon. It is usually denoted by a capital letter, such as X.

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2. A discrete random variable is a variable that has its possible values as a finite value, meaning it can be counted.

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Step-by-step explanation:

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