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amm1812
3 years ago
8

Which linear function shows a direct variation?

Mathematics
1 answer:
alexandr402 [8]3 years ago
6 0

Answer:

I think it is C

Step-by-step explanation:

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I can’t see it sorry maybe it’s my device
8 0
3 years ago
Read 2 more answers
suppose a parabola has an axis of symmetry at x = -8, a maximum height of 2, and passes through the point (-7, -1). Write the eq
lesya [120]

Answer:

<h3>            f(x) = - 3(x + 8)² + 2</h3>

Step-by-step explanation:

f(x) = a(x - h)² + k   - the vertex form of the quadratic function with vertex    (h, k)

the<u> axis of symmetry</u> at<u> x = -8</u> means h = -8

the <u>maximum height of 2</u> means  k = 2

So:

f(x) = a(x - (-8))² + 2

f(x) = a(x + 8)² + 2   - the vertex form of the quadratic function with vertex   (-8, 2)

The parabola passing through the point (-7, -1) means that if x = -7 then        f(x) = -1

so:

    -1 = a(-7 + 8)² + 2

 -1 -2 = a(1)² + 2 -2

      -3 = a

Threfore:

The vertex form of the parabola which has an axis of symmetry at x = -8, a maximum height of 2, and passes through the point (-7, -1) is:

                                 <u>f(x) = -3(x + 8)² + 2</u>

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3 years ago
Ashton has an offer to buy an item with a sticker price of $4900 by paying
Alla [95]
B
The correct answer is b
6 0
3 years ago
4/? = ?/ 9
svet-max [94.6K]

Set ? as x, and cross-multiply.

so x^2= 36

x = 6 or x = -6

3 0
3 years ago
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