Solve for x
Direct Variation
Evaluate the equation
Domain and Range
Input value and solve
100

2(x+6)=12

x=0

100

Y varies directly with x write the direct variation equation that relates x and y, when y=16 when x=4

y=4x

100

d=rt for r

r=d/t

100

The domain is what?

The set of x's for an system

100

y=5x-3 when y=2

x=1

200

8+(5x)/12=13

x=12

200

Y varies directly with x write the direct variation equation that relates x and y, when y=80 when x=32

y=(5/2)x

200

P=a+b+c for b

b=P-a-c

200

What is the domain of y=9.25x

All real numbers

200

y=5x-3 when x=2

y=7

300

3x+2(x-6)=x+4

x=4

300

Solve if y=10 when x=3, find y when x=9

y=30

300

8y=4x-4 for x

x=2y+1

300

What is the range of y=9.25x

All real numbers

300

y=(3/4)x+3 when x=8

y=9

400

-7=-3(x-7)+2x+1

x=29

400

Solve if y=3/4 when x=1/24, find y when x=12.

y=216

400

x=(y+5)/4

x=(y+5)/4

400

If you could work a maximum of 40 hours a week and made $9.25 an hour. What is the practical domain for that problem?

[0,40]

400

y=(3/4)x+3 when y=27

x=32

500

(1/2)x+(1/3)x+5=x

x=30

500

Solve if y=3/4 when x=24, find y when x=12.

y=3/8

500

V=r2h for h

h=V/(r2)

500

If you could work a maximum of 40 hours a week and made $9.25 an hour. What is the practical range for that problem?

[0,370]

500

y=(6/7)x+5 when x=b

y=(6/7)b+5

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