What is the standard form of the equation $x^2+6 y^2-2 x+12 y-23=0$?

Identifiez le caract$\`{e}$re de votre phrase. Écrivez D pour David, R pour Rachid, S pour Sandrine et St pour Stéphane

Cette personne sort quand il fait froid.

Find the products in the below Problem

$$\left[\begin{array}{ll}5 & -2\end{array}\right]\left[\begin{array}{l}-3 \\ -4\end{array}\right]$$

Find the maximum and minimum values of the quadratic form Q(x) subject to the constraint llxll = 1. $Q(x)=x_{1}^{2}+4 x_{2}^{2}+x_{3}^{2}+4 x_{2} x_{3}$

Sketch the graph of the equation $y=\sqrt{1-x}$, and label the $x$ - and $y$-intercepts.

If water is added to magnesium nitride, ammonia gas is produced when the mixture is heated.

$$\mathrm{Mg}_3 \mathrm{~N}_2(s)+3 \mathrm{H}_2 \mathrm{O}(l) \rightarrow 3 \mathrm{MgO}(s)+2 \mathrm{NH}_3(g)$$

If $10.3 \mathrm{~g}$ of magnesium nitride is treated with water, what volume of ammonia gas would be collected at $24{ }^{\circ} \mathrm{C}$ and $752 \mathrm{~mm}\mathrm{~Hg}$?

Two 2-by-2 matrices are called inverse matrices if their product is

$$\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]$$

. If two of the following matrices are selected at random, what is the probability that they are inverses?

$$\left[\begin{array}{ll} 2 & 0 \\ 0 & 2 \end{array}\right] \quad\left[\begin{array}{ll} 1 & 2 \\ 2 & 5 \end{array}\right] \quad\left[\begin{array}{ll} 0.5 & 0 \\ 0 & 0.5 \end{array}\right] \quad\left[\begin{array}{rr} 1 & 2 \\ -2 & 5 \end{array}\right] \quad\left[\begin{array}{rr} 5 & -2 \\ -2 & 1 \end{array}\right]$$

Solve the equation graphically by finding x-intercepts.

$$4x^2+20x+23=0$$

What if $f(-3)$ for the function $f(a)=-2a^2-5a+4$?

$$-29$$

$$-23$$

$$1$$

$$37$$

Label each vocabulary term as a noun, verb, or adjective.

Find the real roots of the equation.
$x^2+2x+5=0$.

Find the product in the given problem:

$$\left[\begin{array}{l}-3 \\ -4\end{array}\right]\left[\begin{array}{ll}5 & -2\end{array}\right]$$

How would you answer the last two questions of the poem (ll. $23–24$)?

Solve the given system of linear equations.

$$\left\{\begin{array}{c}y=5-x \\ 2 x+2 y=10\end{array}\right.$$