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Mathematics 13 Online
princeevee:

can someone help me?

princeevee:

@Vocaloid

Vocaloid:

sure what's up

princeevee:

1 attachment
Vocaloid:

|dw:1515536106832:dw|

Vocaloid:

|dw:1515536112101:dw|

princeevee:

so 6, -4 thats 2?

Vocaloid:

be careful with signs 6 - (-4) = 10 not 2 so 10/2 = 5 = your ans

princeevee:

1 attachment
Vocaloid:

period = difference between two peaks (highest point) or two troughs (lowest point)

Vocaloid:

|dw:1515536349837:dw|

Vocaloid:

|dw:1515536355829:dw|

Vocaloid:

so the period is just 15 - (-5) = 20 if I'm reading correctly

princeevee:

so it's 20?

Vocaloid:

yes

princeevee:

1 attachment
princeevee:

so 4 and -4

princeevee:

8/2 is 4

princeevee:

4 is the cosmic number.

Vocaloid:

here they are asking for the minimum not the altitude so it's just the lowest value the graph reaches (-4) = your answer

princeevee:

wait, 4 or -4?

Vocaloid:

-4 minimum means lowest

princeevee:

-4, nevermind

princeevee:

1 attachment
Vocaloid:

the midline is the horizontal line that crosses the midpoint between the max and minimum

Vocaloid:

|dw:1515536876003:dw|

Vocaloid:

|dw:1515536881311:dw|

princeevee:

i'm still a bit stumped

Vocaloid:

for a horizontal line the equation is y = ___ where the y-value crossed by the line is inside the blank

Vocaloid:

for example, if a horizontal line crosses 3 like so: |dw:1515537192422:dw| the equation is y = 3

Vocaloid:

now, apply this logic and find the equation for the below horizontal line:|dw:1515537223981:dw|

Vocaloid:

the line is crossing 0 making the equation y = __ fill in the blank

princeevee:

0?

Vocaloid:

good so y = 0 = your answer.

princeevee:

okay, thank you

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