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Evgen [1.6K]
3 years ago
5

Help please!!!Which of the quadratic functions has the narrowest graph? 1)y=9x^2 2)y=-0.9x^2 3)y=-10x^2 4)y=2/5x^2

Mathematics
1 answer:
Norma-Jean [14]3 years ago
7 0

Answer:

Option 3) y = -10x²

Step-by-step explanation:

If a quadratic function is in the form of

y = ax² + bx + c

Then coefficient 'a' decides how much narrow will be the graph.

Now from the given options, option C  (y = -10x²) will be the narrowest graph.

Option 3) y = -10x²

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Answer:

​x=

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​

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​​  

​y=

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​

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​​  

Step-by-step explanation:

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3 Solve for xx in 16x-153=18016x−153=180.

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​

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4 Substitute x=\frac{333}{16}x=

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​

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​​  into y=-2x+77y=−2x+77.

y=\frac{283}{8}y=

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​

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​​  

5 Therefore,

\begin{aligned}&x=\frac{333}{16}\\&y=\frac{283}{8}\end{aligned}

​

​

​​  

​x=

​16

​

​333

​​  

​y=

​8

​

​283

​​  

​​  

Done

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