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2 years ago

Does the following equation, y= -x2 -10x +1 have a maximum or minimum. Explain

Mathematics

1 answer:

PilotLPTM [1.2K]2 years ago

3 0

Answer:

Step-by-step explanation:

Your y= -x2 -10x +1 should be written as y = -x^2 -10x +1. This is a quadratic function. Because the coefficient (-1) of the x^2 term is negative, we know immediately that the graph (a parabola) opens down, and thus has a maximum.

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Anestetic [448]

Answer:

Based on the graph, what is the dependent variable, the equation relating the two variables, and how far will the dragonfly travel in 24 hours if it continues to fly at the same speed?

The dependent variable is time, the equation is y = 22x, and the dragonfly will travel 528 miles.

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Step-by-step explanation:

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2 years ago

Timothy want to estimate the percentage of homeowners that own at least one dog. He surveys 100 randomly selected homeowners to

7nadin3 [17]

Answer:

C. The percentage of all homeowners that own at least one dog

Step-by-step explanation:

A parameter describes an entire population. Timothy is sampling from the 100 random homeowners to extrapolate their opinions onto the opinions of the entire population of homeowners.

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3 years ago

If a pine tree grows 3 inches per year,how long will it take for the tree to reach a height of 8 feet

vichka [17]

Answer:

32 years

Step-by-step explanation:

8x12 because there are 12 inches in a foot

8x12=96

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2 years ago

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Davis Construction is building a new housing development. They begin by mapping the development out on a coordinate grid. They p

Mandarinka [93]

$\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ -4}}\quad ,&{{ -1}})\quad 
% (c,d)
&({{ 6}}\quad ,&{{ 3}})
\end{array}\qquad
% coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)
\\\\\\
\left(\cfrac{{{ 6}} -4}{2}\quad ,\quad \cfrac{3-1}{2} \right)$

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3 years ago

In the set of real numbers, the first number greater than -4 is -3.<br> true or false?

aniked [119]

Answer:

........ true ...

obviously -3 is greater than -4

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2 years ago

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