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Verdich [7]
3 years ago
7

Find an equation for the linear function which has y-intercept-2 and x-intercept 9. fx =

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
8 0

Answer:

f(x) = -2x +9

Step-by-step explanation:

We can use the slope intercept form

y= mx +b where m is the slope and b is the y intercept

y = -2x +9

Replacing y with f(x)

f(x) = -2x +9

Natasha_Volkova [10]3 years ago
4 0

Answer:

The answer to your question is f(x) = -\frac{2}{9}x + 2

Step-by-step explanation:

Data

y-intercept = 2

x-intercept = 9

Process

1.- Find the points of intersection

y-intercept = 2    (0, 2)

x-intercept = 9    (9, 0)

2.- Find the slope

m = (0 - 2)/(9 - 0)

m = -2/9

3.- Find the equation of the line

     y - y1 = m(x - x1)

     y - 2 = -2/9(x - 0)

Simplification

     y - 2 = -2/9x

Function

     f(x) = y = -2/9x + 2

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3 years ago
- 1/3 - (-1/2) what’s the answer? Someone please help!
Natasha_Volkova [10]

Answer:

1/6

Step-by-step explanation:

So we are subtracting a negative which is the same as adding.  Our equation becomes -1/3+1/2.  To add fractions we need a common denominator (the denominator of a fraction is the number on the bottom)  To fine the least common denominator we need to find the lowest number that both 3 and 2 go into which is 6.  Then we will multiply each fraction by the number that will give us 6 for a denominator which is 2 for -1/3 and 3 for 1/2.  So -1/3 times 2 is -2/6 and 1/2 times 3 is 3/6.  Our equation is now -2/6+3/6.  Now we will add the numerators ( the numerator is the number on the top of the fraction) and the denominators stay the same when adding or subtraction fractions -2/6+3/6=1/6

I hope this helps and please let me know if there is anything you are confused about or is still unclear, I will be happy to help!

3 0
3 years ago
Help plz i have a f in this class
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Answer:

For number 3 the answer is -4

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Read 2 more answers
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