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pychu [463]
3 years ago
6

John and David graphed a circle with center (-3,1)

Mathematics
1 answer:
mihalych1998 [28]3 years ago
8 0

Neither of them are fully correct because the equation of a circle is:

(x - h) ^{2}  + (y - k) ^{2}  = r ^{2}

h = x value of center coordinate

k = y value of center coordinate

r = radius

Therefore, the correct equation of the circle is:

(x  + 3) ^{2}  + (y - 1) ^{2}  = 49

David had the correct values in each of the parentheses while John had the correct value on the right side of the equation.

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Spare an answer sir?​
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Answer:

yes

Step-by-step explanation:

3+ 9*4 = 3 + 36 = 39

39 is bigger than 15

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ehidna [41]

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Which form of a quadratic function is easiest to use when finding the maximum or minimum value of the function?
alexandr402 [8]

Answer:

ax² + bx + c

Step-by-step explanation:

The form of a quadratic equation that is easy to use when finding the maximum or minimum value of the function is ax² + bx + c.

Suppose a quadratic function:

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Use ( -b/2a ,  f(-b/2a) ).

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dalvyx [7]

Answer:

287 miles

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The base fee was $17.99 and an additional 76 cents ($0.76) for every mile.

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88 - 20 = 68

70.4 - 68 = 2.4 (2.40)

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