Equations with Proportion

Write the equation for the graph

• y=5x

• y=1/5 x

• 5

• y=20x

Write the equation for the graph

• y=2x

• y=3/6x

• y=6x

• 6

Write the equationy= to the graph

• y=12.5x

• y=50x

• y=4/50x

• 50

Write the equation for the graph

• y=4x

• 4

• y=4/20x

• y=20x

Which equation shows a proportional relationship between x and y? (a)  

• y = 3x + 9

• y = 1/2x

• y = 1/2x - 2

• y = x2

Write how to find the proportion of

2:8 :: 25:625

(Do not give space first right the means than the extremes.)

Mathematical Equivalence

ON

Write the equation for the graph

• y=6x

• 6

• y=1/6x

• y=30x

Write the equation for the graph

• y=15x

• 15

• y=30x

• y=2/30x

Solve the proportion:

• 15

• 5

• 10

• 12

Solve for b 

• 8

• 17/12

• 4/3

• 1/8