A polygon has its vertices at the following points. (2,5), (4,7), (7,7) and (9,5) what is the name of this polygon?

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isosceles trapezoid

Step-by-step explanation:

1) find the distance of the points

AB =

BC = |7-4| = 3

CD =

AD = |9-2| = 7

2) equation of the line that passes threw BC

y = 7

3) equation of the line that passes threw AD

y = 5

conclusion

the quadrilateral has two parallel sides and two congruent sides, so it is a isosceles trapezoid

u = -(6/7)w

step-by-step explanation:

place all values with 'u' on one side of the equation.

4u + 8w = - 3u + 2w

4u + 3u = 2w - 8w

further simplify the equation by solving the addition and subtraction.

7u = - 6w

make 'u' the independent variable by placing its co-efficient on the right-hand side.

u = - (6/7)w

7

step-by-step explanation: