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PolarNik [594]
3 years ago
10

(WILL MARK AS BRAINLIEST) Consider the graph of quadrilateral WXYZ.

Mathematics
2 answers:
DerKrebs [107]3 years ago
7 0
The first, third, fifth, and last one are right. Do you want me to show you the steps or are u good
iren [92.7K]3 years ago
3 0

Answer:

The slope of ZW is \frac{2}{5}

The lenght of ZY is \sqrt{29}

Quadrilateral WXYZ is a square

Step-by-step explanation:

<u>Statements</u>

<u>case A)</u> The slope of ZW is \frac{2}{5}

The statement is True

we know that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

Z(-3,1),W(2,3)

substitute

m=\frac{3-1}{2+3}

m=\frac{2}{5}

<u>case B)</u> The slope of YX is -\frac{5}{2}

The statement is False

we know that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

Y(-1,-4),X(4,-2)

substitute

m=\frac{-2+4}{4+1}

m=\frac{2}{5}

<u>case C) </u>The lenght of ZY is \sqrt{29}

The statement is True

we know that

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

Z(-3,1),Y(-1,-4)

substitute

d=\sqrt{(-4-1)^{2}+(-1+3)^{2}}

d=\sqrt{(-5)^{2}+(2)^{2}}

d=\sqrt{29}\ units

<u>case D) </u>The lenght of WX is 5

The statement is False

we know that

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

W(2,3),X(4,-2)

substitute

d=\sqrt{(-2-3)^{2}+(4-2)^{2}}

d=\sqrt{(-5)^{2}+(2)^{2}}

d=\sqrt{29}\ units

<u>case E)</u> Quadrilateral WXYZ is a square

The statement is True

Because  sides ZW and YX are parallel sides (has the same slope)

<u>Slope ZY </u>

we have

Z(-3,1),Y(-1,-4)

m=\frac{-4-1}{-1+3}

m=-\frac{5}{2}

so

ZW and ZY are perpendicular sides (the product of their slopes is equal to minus one)

-\frac{5}{2}*\frac{2}{5}=-1

<u>Slope WX</u>

we have

W(2,3),X(4,-2)

m=\frac{-2-3}{4-2}

m=-\frac{5}{2}

ZY and WX are parallel sides (has the same slope)

<u>distance ZW</u>

we have

Z(-3,1),W(2,3)

d=\sqrt{(3-1)^{2}+(2+3)^{2}}

d=\sqrt{(2)^{2}+(5)^{2}}

d=\sqrt{29}\ units

<u>distance YX</u>

we have

Y(-1,-4),X(4,-2)

d=\sqrt{(-2+4)^{2}+(4+1)^{2}}

d=\sqrt{(2)^{2}+(5)^{2}}

d=\sqrt{29}\ units

The four sides are congruent

case F) YZ=\sqrt{(-3-(-1))^{2}+(1-4)^{2}}

The statement is False

YZ=\sqrt{(-2)^{2}+(-3)^{2}}

YZ=\sqrt{13}  ----> is not correct

the value of YZ is  \sqrt{29}  


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