christina166
  • christina166
The following set of coordinates most specifically represents which figure? (−4, 5), (−1, 7), (1, 4), (−2, 2)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
christina166
  • christina166
@ganeshie8
christina166
  • christina166
@Directrix
christina166
  • christina166
Parallelogram Rectangle Rhombus Square

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kiiraa_x3
  • kiiraa_x3
Find the value of 533 using the identity (x + y)3 = x3 + 3x2y + 3xy2 + y3. Hint: 533 = (50 + 3)3; therefore, x = 50 and y = 3.
AlexandervonHumboldt2
  • AlexandervonHumboldt2
have you tried plotting them?
AlexandervonHumboldt2
  • AlexandervonHumboldt2
https://www.desmos.com/calculator
christina166
  • christina166
Yes but it looks like a rectangle, square
christina166
  • christina166
And the choices are Parallelogram Rectangle Rhombus Square
Directrix
  • Directrix
The point plot can be deceiving. I think it would be wise to crank out side lengths.
christina166
  • christina166
So it would be a square
christina166
  • christina166
If its ok with you can you also help me with this one; Barry is trying to calculate the distance between point E(3, 1) and point F(4, 7). Which of the following expressions will he use? square root of the quantity of 7 minus 1 all squared plus 4 minus 3 all squared square root of the quantity of 7 minus 3 all squared plus 4 minus 1 all squared square root of the quantity of 7 minus 4 all squared plus 3 minus 1 all squared square root of the quantity of 4 minus 7 all squared plus 1 minus 3 all squared
Directrix
  • Directrix
The polygon is equilateral with each side being sqrt(13). It might be a rhombus. So, we will find the slope of two intersecting sides.
christina166
  • christina166
Oh it looked like a square ok so the calculation of a slope is y2-y1/x2-x1
Directrix
  • Directrix
There is a neat distance between 2 points calculator online here: http://www.mathportal.org/calculators/analytic-geometry/distance-and-midpoint-calculator.php You may find it useful.
christina166
  • christina166
Oh yes it is !!!
christina166
  • christina166
So it is a rhombus
Directrix
  • Directrix
It is a rhombus and more. The slopes of two of the adjacent sides are negative reciprocals. 2/3 times - 3/2 = -1. That means that the sides are perpendicular. A quadrilateral that is both equilateral and equiangular is a square.
christina166
  • christina166
ohhh So it could also be a square but I think Im leaning toward rhombus
Directrix
  • Directrix
Be clear on this. The given coordinates can represent every one of these: Parallelogram Rectangle Rhombus Square I assume that you are to select the most restrictive answer. If so, that would be Square.
Directrix
  • Directrix
A square is a rhombus. A square is a special rhombus in which the interior angles are right angles.
christina166
  • christina166
Oh ok Yes I will be more clear sorry and THANK YOU so much!! Do you think you can help me with one more problem
Directrix
  • Directrix
To be a rhombus, all 4 sides have to be the same. That is true of a square so a square is a rhombus, a special kind of rhombus.
christina166
  • christina166
ohhhhhh ok
Directrix
  • Directrix
There is an online slope of line determined by two points calculator over here if you ever need it. http://www.webmath.com/equline1.html
christina166
  • christina166
ok thanks ill keep that in mind!! Can u help me with one more I don't get sorry if im bothering you. Barry is trying to calculate the distance between point E(3, 1) and point F(4, 7). Which of the following expressions will he use? square root of the quantity of 7 minus 1 all squared plus 4 minus 3 all squared square root of the quantity of 7 minus 3 all squared plus 4 minus 1 all squared square root of the quantity of 7 minus 4 all squared plus 3 minus 1 all squared square root of the quantity of 4 minus 7 all squared plus 1 minus 3 all squared
Directrix
  • Directrix
You'll need to use the distance formula by hand on this one.
Directrix
  • Directrix
See what you can do with that, okay?
christina166
  • christina166
ok thanks!!!!
christina166
  • christina166
ok so I got d= square root of 37
Directrix
  • Directrix
That is not the task here. Look at the answer options.
christina166
  • christina166
OH WAIT I DIDNT HAVE TO SOLVE IT UGH LOL
christina166
  • christina166
wait their answer choices are wrong cause I got|dw:1450411893591:dw|
Directrix
  • Directrix
Yes. That is the same as the first option: square root of the quantity of 7 minus 1 all squared plus 4 minus 3 all squared The commutative property guarantees that they are the same.
christina166
  • christina166
OH YES YOU ARE RIGHT THANK YOU !!!! HAVE A GREAT DAY well for me its night time haha
Directrix
  • Directrix
Yep. 11:15 p.m. here. You are welcome.
christina166
  • christina166
Same with me 11:15pm lol

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