# Math problem?

(10,2) (5,3) (4,10) (5,1) (15,3)

Favorite Answer

The coordinates are (x,y), so you substitute the first value into x and the second into y and evaluate if the equation is true.

(10,2) | 2 = (1/5)(10) | 2 = 2 | YES

(5,3) | 3 = (1/5)(5) | 3 = 1 | NO

(4,10) | 10 = (1/5)(4) | 10 = (4/5) | NO

(5,1) | 1 = (1/5)(5) | 1 = 1 | YES

(15,3) | 3 = (1/5)(15) | 3 = 3 | YES

Another way to think about it is to solve for x.

5*y = 5*(1/5)x

x=5y

This means that the value of x is five (5) times the value of y.

just substitue in the x and y in the pairs of coordinates for the x and y in the problem:

y=1/5x

**substitute in 2 for y, and 10 for x)

2=1/5(10)

**sovle the equation

2=10/5

2=2

it’s:

x, y

(10, 2)

(5, 3)

(4, 10)

(5, 1)

(15, 3)

so… 2 = (1/5)10 which would be 2 = 2, that satisfies.

3 = (1/5)5 which would be 3 = 1, that doesn’t work.

10 = (1/5)4 which would be 10 = .8, doesn’t work.

1 = (1/5)5 which is 1 = 1, satisfies.

3 = (1/5)15 which is 3 = 3, satisfies.

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