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ivann1987 [24]
3 years ago
9

The axis of symmetry for the function f(x)=-2x^2+4x+1 is the line x=1 where it's the vertex of the function located

Mathematics
2 answers:
vodomira [7]3 years ago
8 0
Vertex has the coordinate (1;3)

arlik [135]3 years ago
3 0

Answer:

1,3

Step-by-step explanation:


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How do i solve this <br> 4x-9=7x+12
ddd [48]

Answer:

x = -7

Step-by-step explanation:

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2 years ago
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If A(2, 2) and B(14, 10) find the point that will divide AB into a ratio of 3:1 starting from point A.
vodka [1.7K]

Answer:

Point (11,8) divides AB into a ratio of 3:1 .

Step-by-step explanation:

Given: Points are A(2,2)\,,\,B(14,10)

To find: point that will divide AB into a ratio of 3:1 starting from point A.

Solution:

If the point (x,y) divides the line joining points A(u,v) and B(p,q) in ratio m:n then

(x,y)=(\frac{mp+nu}{m+n},\frac{mq+nv}{m+n} )

Put (u,v)=(2,2)\,,\,(p,q)=(14,10)\,,\,m:n=3:1

Therefore,

(x,y)=(\frac{3(14)+1(2)}{3+1} ,\frac{3(10)+1(2)}{3+1} )=(\frac{42+2}{4},\frac{30+2}{4})=(\frac{44}{4},\frac{32}{4})=(11,8)

Therefore,

point (11,8) divides AB into a ratio of 3:1 .

6 0
2 years ago
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