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yuradex [85]
3 years ago
6

Determine the amplitude of the following graph.​

Mathematics
1 answer:
kodGreya [7K]3 years ago
5 0

Answer:

amplitude = 3

Step-by-step explanation:

the amplitude is the vertical distance from center of the wave to the crest or the trough

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The graph of the function is f(x)= x2 − 4x + 6 . What is its axis of symmetry?
lianna [129]
To find the axis of symmetry you must first find the vertex of the parabola.  The formula for vertex is -b/2a.  So the vertex has a "x" coordinate at 4/2 or 2.  so the axis of symmetry is the vertical line x = 2
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4 years ago
Find the distance from point A(−1, 7) to the line y=3x. Round your answer to the nearest tenth.
bearhunter [10]

Answer:

<em>The distance from the point to the line is approximately 3.2 units</em>

Step-by-step explanation:

<u>Distance From a Point to a Line</u>

Is the shortest distance from a given point to any point on an infinite straight line. The shortest distance occurs when the segment from the point and the line are perpendiculars.

If the line is given by the equation ax + by + c = 0, where a, b and c are real constants, the distance from the line to a point (x0,y0) is

\displaystyle d= \frac{|ax_0+by_0+c|}{\sqrt{a^2+b^2}}

The line is given by the equation:

y=3x. We need to transform it into the specified form.

Subtracting 3x:

y - 3x = 0

Comparing with the general form of the line, we have

a=-3, b=1, c=0

The point (xo,yo) is (-1,7), thus:

\displaystyle d= \frac{|-3\cdot (-1)+1\cdot 7+0|}{\sqrt{(-3)^2+1^2}}

\displaystyle d= \frac{|3+7|}{\sqrt{9+1}}

\displaystyle d= \frac{|10|}{\sqrt{10}}

\displaystyle d= \frac{10}{\sqrt{10}}

d\approx 3.2

The distance from the point to the line is approximately 3.2 units

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4 years ago
Use the coordinates of the plotted points to complete the calculation below. Pay
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Answer:

first box: 3

second box: 1

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fourth box: 1

fifth box: -3

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4 years ago
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Which number line correctly shows 1 3/10, 1 5/10, and 9/5? (I cant paste all four Images so please try figuring it out!)
Arte-miy333 [17]

Answer:

its B)

i know because i did the test not to long ago

5 0
4 years ago
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