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djverab [1.8K]
3 years ago
9

How do you convert from standard form to slope

Mathematics
1 answer:
Sever21 [200]3 years ago
3 0

Answer:

Step-by-step explanation:

A standard form equation is when it is set up

Ax + By = C.

6x + 2y = 4

A slope-intercept form equation is when it is set up y=mx+b.

Y = - 3x + 2

In order to go from one form to another, all you have to do is change the order of the given numbers.  First you want to move the Ax to the opposite side of the equation, by either adding or subtracting it.  At this point your equation will be set up By = -Ax + C.  Then you want to divide the B from the By and the rest of the equation.  Therefore you will have y = - Ax/B + C/B.  This is the same thing as the slope-intercept form, just a few of the letters are different.

Example 1:          

Change from standard to slope form

         

8x + 4y = 16

8x + 4y = 16  first subtract  8x

4y = -8x + 16   then divide all by 4

y = -2x + 4   slope form

Example 2:

 6x + 3y = 21

6x + 3y = 21  subtract  6x

3y = -6x + 21  then divide all by 3

y = -2x + 7   slope form

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Inessa05 [86]

Answer:

x=18

Step-by-step explanation:

\frac{3x}{5} +1=\frac{4x}{15} +7

\frac{3x}{5} -\frac{4x}{15} =7-1

\frac{9x}{15} -\frac{4x}{15} =6

5x/15=6

5x=90

x=18

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3 years ago
What is the answer and formula for 7f+5=68
gladu [14]
7f=68-5
7f=63
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3 years ago
Use the unit circle to find sec (-90)
andreyandreev [35.5K]

Using the unit circle, you can visualise the secant as follows:

  1. Draw the vertical line passing trough (1,0)
  2. Extend the radius until it meets this line at point P
  3. The length of OP is the secant of your angle.

Since -90 means that the radius points downwards, it means that the radius is vertical as well, and thus it never meets the vertical line through (1,0).

Thus, the secant is not defined at -90.

In fact, if we switch back to the function notation, we can confirm this claim, since we have

\sec(x)=\dfrac{1}{\cos(x)}\implies \sec(-90)=\dfrac{1}{\cos(-90)}=\dfrac{1}{0}

which is undefined.

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3 years ago
Given: Circle M with inscribed Angle K J L and congruent radii JM and ML
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The missing reason in step 8 is the substitution property.

<h3>What is substitution property?</h3>

It should be noted that according to substitution property, if x = y, then x can be substituted for y in any equation.

When a variable is equal to another variable, then the variables can be interchangeable.

In this case, the missing reason in step 8 is the substitution property.

Learn more about substitution property on:

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A sum of $900 is shared among Nas, Sam and Kristine in the ratio p: 5: 7. If Nas receives $120, what is the value of p?​
weqwewe [10]

Answer:

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p/(p+12) ×900=120

900p=120(p+12)

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90p-12p=144

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I would appreciate if my answer is chosen as a brainliest answer

8 0
3 years ago
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