3 years ago

I need help please. Having problems understanding.

Mathematics

2 answers:

kicyunya [14]3 years ago

5 0

Answer:

you need to find the vertex, y-intercept, x-intercept, etc in order to create the equation.

Step-by-step explanation:

standard form for quadratic equations should look like this:

f(x)= ax^2+bx+c

(The graph is really blurry, try posting just the graph so I can see it closer if you still need help setting up the equation.)

allochka39001 [22]3 years ago

3 0

You should get other apps because sometimes they give you wrong answers sometimes

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A circle with a circumference of 51 inches to find the area

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$\textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=51 \end{cases}\implies 51=2\pi r\implies \boxed{\cfrac{51}{2\pi }=r} \\\\[-0.35em] ~\dotfill\\\\ \textit{area of a circle}\\\\ A=\pi r^2\qquad \implies A=\pi \left( \cfrac{51}{2\pi } \right)^2\implies A=\cfrac{51^2}{2^2\pi }\implies A\approx 206.98$