4 years ago

Determine the slope of the line that has the following coordinates: (1, 4)(2, -6)

Mathematics

1 answer:

timama [110]4 years ago

6 0

Answer:

-10

Step-by-step explanation:

First use this equation: (y2 - y1) / (x2 -x1)

The y intercept is 14 so the slope is -10.

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How do I solve the following by using substitution? <br> Y=4x+9<br> 10x=18 -2y

sergejj [24]

Plug 4x=9 in for y:
10x=18-2(4x+9)
10x=18-8x-18
10x=-8x
18x=0
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now plug 0 in for x:
y=4(0)+9
y=9

to check, plug x and y back into one of the equations to make sure they are right:

10(0)=18-2(9)
0=18-2*9
0=18-18
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jeka94

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Solve y = mx + b for x.<br>this is really confusing to me please help

hram777 [196]

Answer:

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