Please help quickly

Mathematics

2 answers:

blagie [28]3 years ago

7 0

Answer:

x=2

Step-by-step explanation:

To find the axis of symmetry for a quadratic, you use the formula:

$x=-2ba$

Looking at the chart, we can see that $b=-1$ (the vertical shift) and $a=1$ (the slope. Plugging these values into the formula, we get:

$x=-2(-1)(1)=2$

Therefore, $x=2$ is the axis of symmetry.

The much simpler way of determining this, however, is simply looking at the graph and finding where the vertex is. It is given here that the vertex point is (2, -1) and the graph is mirrored horizontally so you can simply take the x-coordinate and that will be the axis of symmetry. If the parabola was mirrored vertically, the axis of symmetry would then be the y-coordinate of the vertex.

koban [17]3 years ago

5 0

Answer:

x = 2

Step-by-step explanation:

The axis of symmetry is a vertical line passing through the vertex, with equation

x = c ( c is the x- coordinate of the vertex ) , then

x = 2 ← equation of axis of symmetry

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You then solve for one variable in either equation and substitute it into the other equation.

x + y = 31
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Then you plug it in:
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When you plug y into the original equations, it comes out that the two numbers are 6 and 25. You can check your work because 6+25 = 31 and 6*25 = 150. Hope this helps! :)

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adell [148]

Answer:could you make it more clear

Step-by-step explanation:

I don’t understand

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