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OverLord2011 [107]
3 years ago
5

What is the slope of the line that passes through (2,1) and (7,-2)

Mathematics
1 answer:
nikdorinn [45]3 years ago
4 0
Solve for slope.
Formula for slope: \frac{y2-y1}{x2-x1}
Plug in values: \frac{-2-1}{7-2}= - \frac{3}{5}
Slope: - \frac{3}{5}

Choice B is the correct answer. 
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3 0
3 years ago
Write the equation of the quadratic given the following information:
xenn [34]
<span>y=a((x-h)^2)+k
Vertex=(h,k)
1. Vertex (5,-1) Point (2,4)
y=a((x-5)^2)+(-1)
f(2)=4
4=a((2-5)^2)+(-1)
4=a(-3)^2-1
4=a*9-1
5=a*9
5/9=a
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2. Vertex (-2,0) Point (-1,-7)
y=a((x+2)^2)+0
y=a((x+2)^2)
f(-1)=-7
-7=a(-1+2)^2
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(x-h)^2=4(d)(y-k)
3. Vertex (0,0) Focus (0,2)
d=f-v
d=2
(x^2)=4(2)(y)
(x^2)=8y
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4. Focus (-3,4) Directrix y= -2
(x-h)^2=4(d)(y-k)
d=(4-(-2))/2=6/2=3
(x-h)^2=4(3)(y-k)
h=-3
k=(-2+4)/2=(2)/2=1
(x+3)^2=4(3)(y-1)
(x+3)^2=12(y-1)</span>
6 0
3 years ago
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kow [346]

Answer:

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5 0
3 years ago
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Answer:

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6 0
4 years ago
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Someone please help I will give brainliest to the correct answer
USPshnik [31]

Answer:

X inter=   (-1.375,0)

Y inter=   (0,2.2)

Step-by-step explanation:

I used "desmos graphing calculator"

If answer is right, check out desmos graphing calculator. It is a really good website where you enter equation and it graphs it for you.

I use desmos for questions that have anything to do with graphs

4 0
3 years ago
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