Equation of a line passing through 2,5 with a slope of -1

point slope form  y-5 = -1(x-2)

slope intercept form y = -x +7

Step-by-step explanation:

We have the slope and a point, we can use the point slope form

y-y1 = m(x-x1)

y-5 = -1(x-2)

Distribute

y-5 = -x+2

This is the point slope form

We can also manipulate the equation into slope intercept form

Add 5 to each side

y-5+5 = -x+2+5

y = -x +7

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  y= -3x is the required function.

step-by-step explanation:

we have been given a table:

x             y

0             0

1             -3

3             -9

-2             6

we can see that the values of y is -3 times the value of x

hence, the function would be: y= -3x.

put the values of x will give the same y as in the table that means function is satisfying the given table.