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cestrela7 [59]
3 years ago
5

Draw a line representing the "rise " and a line representing the "run" of the line. State the slope of the line in simplest form

.

Mathematics
1 answer:
Leviafan [203]3 years ago
3 0

Answer:

the slope is -1/2 and the equation would be          y=   \frac{-1}{2}x - 2

Step-by-step explanation:

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Write a quadratic function in standard form with zeros 1 and -10
Licemer1 [7]

Answer:

f(x)=x^2+9x-10

Step-by-step explanation:

<u>Standard Form of Quadratic Function</u>

The standard form of a quadratic function is:

f(x)=ax^2+bx+c

where a,b, and c are constants.

The factored form of a quadratic equation is:

f(x)=a(x-\alpha)(x-\beta)

Where \alpha and \beta are the roots or zeros of f, and a is constant.

We know the zeros of the function are 1 and -10. The function is:

f(x)=a(x-1)(x-(-10))

f(x)=a(x-1)(x+10)

Operating:

f(x)=a(x^2+10x-x-10)

Joining like terms:

f(x)=a(x^2+9x-10)

Since we are not given any more restrictions, we can choose the value of a=1, thus. the required function is:

\boxed{f(x)=x^2+9x-10}

6 0
3 years ago
Joe is buying a jacket that originally costs $59.27 but is on sale for 10% off. Sales tax is 7%. What is the total cost of the j
postnew [5]
Hello!

10% off means there's a discount on the jacket, so we will be finding how much the discount is worth and then we'll subtract that from the original cost of the jacket. 
Sales tax is basically additional money added to the cost of an item, so we will find what the sales tax is on this and then add that to the cost.

59.27 * 10% = 5.927

59.27 - 5.927 = 53.343

Now, find and add the sales tax. 

53.343 * 7% = 3.73401

53.343 + 3.73401 = 57.07701

Round this to 57.1

The total cost of the jacket is $57.1.
7 0
3 years ago
Read 2 more answers
From the beginning of the day the temperature rose 15° so that by 4 pm it was 87°. What was the temperature at the start of the
dezoksy [38]
The answer would be 72 degrees because it rose 15 from the begining

3 0
3 years ago
What is the greatest common factor for 26rs and 30r^5s^6
LenaWriter [7]
Hello : 
<span>the greatest common factor for 26rs and 30r^5s^6 is : 2rs</span>
4 0
3 years ago
What is 80/400 as a decimal
elena55 [62]
80/400 as a decimal is 0.2
4 0
3 years ago
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