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Serjik [45]
3 years ago
7

F(x) = -x^2 + 5x – 2 Find f(-4)

Mathematics
1 answer:
disa [49]3 years ago
8 0

Answer:

2

Step-by-step explanation:

if f(4), than -4^2=-16

5(4)=20

-16+20-2=2

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What is the axis of symmetry and root(s)?
svlad2 [7]

Answer:

  • axis of symmetry: x = -3
  • root: x = -3

Step-by-step explanation:

As indicated in the example shown, the axis of symmetry is the vertical line through the vertex. That is, its equation is ...

  x = <x-coordinate of vertex>

Here, the x-coordinate of the vertex is -3, so the axis of symmetry is ...

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The roots are the x-intercepts, the x-values where the graph touches or crosses the x-axis. When the graph only touches the x-axis, there is only one root. Here, the x-value of the point where the graph touches the x-axis is x = -3.

The root is x = -3.

5 0
2 years ago
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Step-by-step explanation:

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3 years ago
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4 years ago
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6 0
3 years ago
-5+(-5)=?<br>Please help​
sasho [114]

Hello!

The answer to your problem is -10

Since your adding 2 negatives the answer will come out as a negative. your adding -5 to another -5 so the answer will be -10.

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3 years ago
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