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valentina_108 [34]
3 years ago
9

How do we determine whether a given equation is a function?

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0

Examining Ordered Pairs. An ordered pair is a point on an x-y coordinate graph with an x and y-value. ...

Solving for Y. It is relatively easy to determine whether an equation is a function by solving for y. ...

Vertical Line Test. ...

Using an Input-Output Chart.

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Answer:

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Step-by-step explanation:

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What is the value of x in the equation<br> -%y = 30, when y = 15?
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Answer:

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Answer:

HL

Step-by-step explanation:

Since both triangles are right angle triangles that means one angle is 90°. other two sides are given congruent .

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Answer:

16. y=7x

17. y=0.5x

18. y=3x

19. y=2x

Step-by-step explanation:

Equation is y=kx where k is a constant of proportionality.

16.

\frac{y}{x}=\frac{10.5}{1.5}=\frac{14}{2}=\frac{24.5}{3.5}=\frac{35}{5}=7

So, equation is y=7x

17.

\frac{y}{x}=\frac{1}{2}=\frac{2}{4}=\frac{2.5}{5}=\frac{3.5}{7}=\frac{1}{2}=0.5

Equation is y=0.5x

18.

\frac{y}{x}=\frac{6}{2}=\frac{9}{3}=\frac{15}{5}=\frac{18}{6}=3

Equation is y=3x

19.

\frac{y}{x}=\frac{4}{2}=\frac{8}{4}=\frac{14}{7}=\frac{18}{9}=2

Equation is y=2x

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The area of a circular sector is <span>. </span>

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