Gina wilson all things algebra 2014 polygons and quadrilaterals homework parallelograms

Mathematics

1 answer:

Elena-2011 [213]3 years ago

3 0

See the explanation

<h2>Explanation:</h2><h2 />

Hello! Remember you have to write complete questions in order to get good and exact answers. Here I'll assume you want an explanation for polygons, quadrilaterals and parallelograms. So let's get started:

1. Polygon: A <em>polygon </em>is any flat shape that is closed and has straight lines as its sides.

2. Quadrilateral: A <em>quadrilateral </em>is a polygon that has four sides. Those sides can be either equal or not.

3. Parallelogram: A <em>parallelogram </em>is a polygon and also a quadrilateral because it has four sides such that the opposite sides are parallel and equal in length.

<u>In conclusion:</u>

A parallelogram is both a polygon and a quadrilateral
A quadrilateral is a polygon

<h2>Learn more:</h2>

Translating and reflecting quadrilaterals: brainly.com/question/11131466

#LearnWithBrainly

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Find the equation of the line using the point-slope formula. Write the final equation using slope-intercept form. (1,2) with a s

Lilit [14]

Answer:

$y-2=\displaystyle -\frac{3}{4}(x-1)$

$y=\displaystyle -\frac{3}{4}x+\frac{11}{4}$

Step-by-step explanation:

Hi there!

Point-slope form: $y-y_1=m(x-x_1)$ where <em>m</em> is the slope of the line and $(x_1,y_1)$ is a given point

Given that the slope is -3/4, we can plug it into $y-y_1=m(x-x_1)$ as <em>m</em>:

$y-y_1=\displaystyle -\frac{3}{4}(x-x_1)$

We can also plug in the given point (1,2):

$y-2=\displaystyle -\frac{3}{4}(x-1)$

Slope-intercept form: $y=mx+b$ where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when the line crosses the y-axis)

To write the equation in slope-intercept form, isolate <em>y</em>:

$y-2=\displaystyle -\frac{3}{4}(x-1)\\\\y=\displaystyle -\frac{3}{4}(x-1)+2\\\\y=\displaystyle -\frac{3}{4}x+\frac{3}{4}+2\\\\y=\displaystyle -\frac{3}{4}x+\frac{11}{4}$