USING PARALLEL LINES Find the values of x and y. Explain your reasoning.

I don’t understand

Step-by-step explanation:

x=180°-109°=71° (Interior angles)

y= 71° (Alternate angles)

y= 180°- 65°=115° (Adjacent angles)

x= 65° (Corresponding angles)

Step-by-step explanation:

y=109 degrees (Vertically opposite angles)

109+x=180(sum of allied angles is equal to 180 degrees)

      x =180-109

      x = 71 degrees

y+65=180(angles on a straight line)

     y=180-65

     y= 115 degrees

  x+y=180(sum of allied angles is = to 180 degrees)

x+115=180

       x=65 degrees

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1. when "a" is a root of a polynomial, (x -a) is a factor of it. for the three roots given, the factors of the desired polynomial are (x +2)(x -1/2)(x -3).

in order to make the leading coefficient be negative, we need to multiply this product by a negative number. any negative number will do, but we choose a small (magnitude) value that will eliminate the fraction: -2.

then

f(x) = -2(x +2)(x -1/2)(x -3) = -(x +2)(2x -1)(x -3)

= -(2x² +3x -2)(x -3)

= -(2x³ -3x² -11x +6)

f(x) = -2x³ +3x² +11x -6

2. a graph created by the desmos on-line graphing calculator is shown, and the zeros are highlighted.

3. as indicated in part 1, the multiplier of this equation can be anything and the zeros will remain the same. you want a negative leading coefficient, so the "anything" is restricted to any of the infinite number of numbers that will make that be the case.