Is the product of (a - b)(a - b) is a perfect square trinomial.

Use the formula (b/2)² in order to create a new term in order to find the perfect square trinomial.

a² - 2ab + b²

  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.

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step-by-step explanation: