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just olya [345]
3 years ago
13

Write a rule to describe the function shown.

Mathematics
1 answer:
I am Lyosha [343]3 years ago
6 0

Answer:

y = -3x  

Step-by-step explanation:

(a) Slope

y = mx + b

Choose points (-3, 9) and (3, -9)

m = (-9 - 9)/(3 – (-3))

m = -18/(3 + 3)

m = -18/6

m = -3

=====

(b) y-intercept

y = mx +b

Choose point (0,0).

0 = 0 + b

b = 0

=====

(c) Equation of line

y = mx + b

y = -3x

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8 0
3 years ago
X^2 + y^2 = 25 <br> x^2 + y^2 = 19
olga55 [171]
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I'm stuck on graphing this quadratic equation:<br><img src="https://tex.z-dn.net/?f=y%20%5Cleqslant%20%20%7Bx%7D%5E%7B2%7D%20%20
rewona [7]
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Natali [406]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

11.)4.79mi

12.)8cm

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14.)5.93

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Step-by-step explanation:

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19)139.2/11.8=11.8

20)20.3/4.5=4.51

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3 years ago
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