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3 years ago

In the equation y = -2x + 5, what is the average rate of change (slope)?

Mathematics

2 answers:

Shalnov [3]3 years ago

8 0

Slope = -2

y= Mx+b M= slope
y=-2x+b. -2 is in the m spot

lorasvet [3.4K]3 years ago

3 0

Answer:

-2

Step-by-step explanation:

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A, E

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Answer:

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What is the percent of change from 5,000 to 9,000?

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2 years ago

X=3n-18 the measure of Y=2n-27

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I hope this helps you
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What is the solution of the system?

Kryger [21]

Greetings!

Solve the System, using Elimination:
$\left \{ {{4x+2y=18} \atop {2x+3y=15}} \right.$

Multiply Equation #2 by 2:
$\left \{ {{4x+2y=18} \atop {2(2x+3y)=2(15)}} \right.$

$\left \{ {{4x+2y=18} \atop {4x+6y=30}} \right.$

Eliminate variable x:
$-\frac{ \left \{ {{4x+2y=18} \atop {4x+6y=30}} \right.}{0x-4y=-12}$

$4y=-12$

Divide both sides by 4:
$\frac{4y}{4}= \frac{12}{4}$

$y=3$

Input this value into one of the Equations:
$4x+2y=18$

$4x+2(3)=18$

Simplify:
$4x+6=18$

$(4x+6)+(-6)=(18)+(-6)$

$4x=12$

Divide both sides by 4.
$\frac{4x}{4}= \frac{12}{4}$

$x=3$

The Solution to this System (The Point of Intersection):
$\boxed{(3,3)}$

I hope this helped!
-Benjamin

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3 years ago