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Mrac [35]
2 years ago
12

Write an equation in slope intercept form for: m = - 1 and b = 2

Mathematics
2 answers:
nalin [4]2 years ago
8 0
Y=-x+2


Explanation: Slope intercept form is: y=mx+b. Then you just substitute!

Hope this helps! :)
Sever21 [200]2 years ago
5 0

Answer:

y=-1x+2

or

y=-x+2

y=mx+b

substitute

you get y=-1x+2

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Solve x2 - 8x - 9 = 0. Rewrite the equation so that it is of the form x2 + bx = c.
barxatty [35]

Answer:

x=9,-1  and x^2+(-8)x=9

Explanation:

we have been given with the quadratic equation x^2-8x-9

we compare the given quadratic equation with general quadratic equation

general quadratic is ax^2+bx+c=0

from given quadratic equation a=1,b= -8,c= -9

substituting these values in the formula for discriminant D=b^{2}-4ac

D=(-8)^2-4(1)(-9)=100

Now, to find the value of x

Formula is x=\frac{-b\pm\sqrt{D}}{2a}

Now, substituting the values we will get

x=\frac{-(-8)\pm\sqrt{100}} {2}= \frac{8\pm10}{2}=9,-1

And rewritting the given equation by  shifting 9 to right hand side of the given equation and taking minus inside the bracket so as to convert it in the form of

x^2+bx=c

4 0
3 years ago
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EastWind [94]

Answer:

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2 years ago
Find the interest due on 950 at 13% for 120 days
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Write equation in slope intercept form given the rate of change is 4 and the y-intercept is -1.
wolverine [178]

Answer:

y=4x-1 i think

Step-by-step explanation:

6 0
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The dance committee of Pine Bluff Middle School earns
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Answer:

Step-by-step explanation:

72 + 4t > 400

X could = 83 (since 82 will give you 400) or higher

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2 years ago
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