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3 years ago

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Create an equation in slope-intercept form from A line that includes the point (6,–7) and has a slope of 2.

1 answer:

Svet_ta [14]3 years ago

4 0

Answer:

<em>Use </em><em>the </em><em>equation</em><em> </em><em>y=</em><em>mx+</em><em>c</em>

<em>the </em><em>slope(</em><em>m)</em><em> </em><em>is </em><em>2</em><em>,</em><em>y </em><em>is </em><em>-7and </em><em>x </em><em>is </em><em>6</em>

<em>therefore</em><em> </em><em>you </em><em>firstly</em><em> </em><em>have </em><em>to </em><em>find </em><em>the </em><em>y </em><em>intercept</em><em> (</em><em>c)</em>

<em>y=</em><em>mx+</em><em>c</em>

<em>-</em><em>7</em><em>=</em><em>2</em><em>(</em><em>6</em><em>)</em><em>+</em><em>c</em>

<em>-</em><em>7</em><em>=</em><em>1</em><em>2</em><em>+</em><em>c</em>

<em>-</em><em>7</em><em>-</em><em>1</em><em>2</em><em>=</em><em>c</em>

<em>-</em><em>1</em><em>9</em><em>=</em><em>c</em>

<em>then </em><em>replace </em><em>the </em><em>gradient</em><em> </em><em>and </em><em>y </em><em>intercept</em><em> </em><em>in </em><em>the </em><em>equation</em>

<em>y=</em><em>mx+</em><em>c</em>

<em>y=</em><em>2</em><em>x</em><em>-</em><em>1</em><em>9</em>

<em>or </em><em>you </em><em>can </em><em>use </em><em>the </em><em>formula</em><em> </em><em>y-y1=</em><em> </em><em>m(</em><em> </em><em>x-x1)</em>

<em>I </em><em>hope </em><em>this </em><em>helps</em>

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Step-by-step explanation:

In this question, we are tasked with calculating the length of the second diagonal of as Rhombus given the measure of the surface area of the rhombus and the length of the other diagonal

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A = 1/2 × $d_{1}$ × $d_{2}$

From the question, we can identify that A = 157.5 $m^{2}$ and $d_{1}$ = 15m

we input these in the formula;

157.5 = 1/2 × 15 × $d_{2}$

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$d_{2}$ = 315/15

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