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vodka [1.7K]
3 years ago
13

Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 4x2 + 5x – 1.

Mathematics
1 answer:
Murljashka [212]3 years ago
3 0
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex: <span>(−<span>5/8</span>,−<span>41/16</span>)</span>
Focus: <span>(−<span>5/8</span>,−<span>5/2</span>)</span>
Axis of Symmetry: <span>x=−<span>5/8</span></span>
Directrix: <span>y=−<span>21/8</span></span><span><span>   x.        y
</span><span><span>−3.       </span>20
</span><span><span>−2.        </span>5
</span><span><span>−<span>5/8.    </span></span><span>−<span>41/16
</span></span></span><span> 0.          <span>−1
</span></span><span>1.           <span>8


</span></span></span>

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It's not a college assignment!
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Using a calculator, the equation for the line of best fit where x represents the month and y represents the time is given by:

a. y = −1.74x + 46.6

<h3>How to find the equation of linear regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

For this problem, the points (x,y) are given as follows, from the given table:

(1, 46), (2, 42), (3,40), (4, 41), (5, 38), (6,36).

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More can be learned about a line of best fit at brainly.com/question/22992800

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Lucas made a recipe that needed five-
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2/3 cup

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After this we add 4 back mon top of the bottom(6)

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