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ALG: 12-1 (Writing inv. variation equations)
Contribué par: Maynard

Write the inverse variation in which

x = 5 and y = 11.

y = 5

           x

y = 11

            x

y = 55

            x

Answer not shown

Write the inverse variation in which

x = -10 and y = 2.

y = -20

              x

y = 20

            x

y =  x

          20

Answer not shown

If xy = 50, what is the equation written in

inverse variation form?

y = 10

            5

xy = 50

y =  x

          50

Answer not shown

Write the inverse variation in which

x = -8 and y = -7.

y = -7

            x

y = 56

            x

y = -56

              x

Answer not shown

If the equation of an inverse variation is

y= 15 , what would a possible point be on the graph?

       x

(-3, 5)

(15, -1)

(2, 7.5)

(10, 5)

If the equation of an inverse variation is

y= -20 , which of the points below will 

       x

NOT be on the graph?

(-4, 5)

(10, -2)

(1, -20)

(4, 5)

Is the equation an inverse variation?   y = 5x + 2

Yes

No

Is the equation an inverse variation?   y = -16x2 + 2x-6

Yes

No

Is the equation an inverse variation?   y = -120

                                                                       x

Yes

No

Is the equation an inverse variation?   xy = 9

Yes

No

Is the equation an inverse variation?   x = 8

                                                                   y

Yes

No

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