3 years ago

Use substitution to solve the system of linear equations. In your final answer, include all of your work.

1 answer:

5 0

y = -3x + 4
x + 1/3y = 4/3

Substitute the first expression into the second equation for y:

x + 1/3(-3x + 4) = 4/3
x - x + 4/3 = 4/3
4/3 = 4/3

Answer;
All real numbers are solutions.

Hope this helps.

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Simplify the square root of 10000 using powers of 10.

Alexxandr [17]

Answer:

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4 0

1 year ago

The function f(x) = x2 − 12x + 5 written in vertex form is f(x) = (x − 6)2 − 31. What are the coordinates of the vertex?

Artist 52 [7]

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------\\\\
f(x)=1(x-\stackrel{h}{6})^2\stackrel{k}{-31}\qquad \qquad vertex~(6,-31)$