February 23, 2012

February 23, 20121) Write your homework in your

agenda: Review for your Quiz2) Take out your homework and

leave it on your desk.3) Open your CRCT wkbk to p. 57

and complete # 14 -19.

Is this an inverse variation?

2y x

Find an equation of inverse variation.

y is -3 when x is -0.4

y = 1.2/x

Is this an inverse variation?

x y-3 4-2 6-4 3-6 2

-12 1

Find an equation of inverse variation.

y is 2/3 when x is 3

y = 2/x

Is this an inverse variation?

Solve the variation problem

X varies inversely with y. If

x = 1/6 when y = 8, what is the value of y

when x = 12?y = 16

Find an equation of inverse variation.

y is 1/4 when x is 76

y = 19/x

Is this an inverse variation?

15y

x

Solve the variation problem

X varies inversely with y. If

x = 8 when y = 12, what is the value of y

when x = 4?y = 24

Find an equation of inverse variation.

y is ½ when x is 18

y = 9/x

Solve the variation problem

X varies inversely with y. If

x = 2 when y = 3, what is the value of y

when x = 8?y = 3/4

Is this an inverse variation?

x y6 34 53 42 61 7

Solve the variation problem

X varies inversely with y. If

x = 16 when y = -4, what is the value of y

when x = 8?y = -8

Is this an inverse variation?

12

xy

Find an equation of inverse variation.

y is 7 when x is 8

y = 56/x

Is this an inverse variation?

Find an equation of inverse variation.

y is 0.8 when x is 4

y = 3.2/x

Solve the variation problem

X varies inversely with y. If

x = ½ when y = 6, what is the value of y

when x = 2?y = 3/2

Is this an inverse variation?

x y5 4-2 -10-4 -5

-20 -1

Is this an inverse variation?

Find an equation of inverse variation.

y is -2 when x is 4

y = -8/x