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Elina [12.6K]
3 years ago
12

Which statements are true regarding the prism? Check all that apply

Mathematics
1 answer:
denis-greek [22]3 years ago
8 0
What are the choices
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determine the quadratic function of f whose graph is given. The vertex is (1,-3) and the y-intercept is -2
LuckyWell [14K]
Hmmm the y-intercept is at -2?  what does that mean?  well, is where the graph "intercepts" or touches the y-axis, and when that happens, x = 0, so the point is really ( 0 , -2 ).

and we know where the vertex is at.  Let's assume a vertical parabola, in which case the squared variable is the "x".

\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
vertex
\begin{cases}
h=1\\
k=-3
\end{cases}\implies y=a(x-1)^2-3
\\\\\\
\textit{now, we also know that }
\begin{cases}
x=0\\
y=-2
\end{cases}\implies -2=a(0-1)^2-3
\\\\\\
1=a(-1)^2\implies \boxed{1=a}\qquad thus\implies 
\begin{cases}
y=1(x-1)^2-3\\
\textit{or just}\\
y=(x-1)^2-3
\end{cases}
6 0
3 years ago
2 x [20 + 8 = (6 + 2)] + 10 x 2
Troyanec [42]

Answer: 7.73 x 2 = 15.46

Step-by-step explanation: 7.73x

4 0
2 years ago
Here is a better pic
Sedaia [141]

Answer:

domain: (-5, infinity)

range: (-infinity, 2)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Eve split 42 marbles between herself and 5 friends. Her mom then gave her 2 more packs of marbles with 4 in each. How many does
NeTakaya

Answer:

$15

Step-by-step explanation:

8 0
3 years ago
Jacob scored 85%, 90%, and 74% on his first three tests. Then he scored 99%, 84% and 75% on his next three
AlekseyPX
The average of the first three is 83 (85 + 90 + 74)/3
The average of the next 3 is 86.

The difference is 3
3 0
2 years ago
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