91Ó°ÊÓ

Solve each equation.

$y^4+4y^3+4y^2=0$

Write an equation for the parabola with the given vertex that passes through the given point.

Vertex $\left(3,2\right)$

Point $\left(5,6\right)$

Write an equation for the parabola with the given vertex that passes through the given point.

Vertex $\left(-1,4\right)$

Point $\left(-2,2\right)$

Write an equation for the parabola with the given vertex that passes through the given point.

Vertex $\left(0,8\right)$

Point $\left(4,0\right)$

Solve each equation.

$\sqrt{2x+1}=3$

Solve each equation.

$3+\sqrt{x+1}=5$

Evaluate each expression

$P\left(6,3\right)$

State whether the events are independent or dependent.

Choosing the winner and runner-up at a dog show.

Solve each equation.

$\sqrt{x}+\sqrt{x+5}=5$

Find the inverse of each matrix, if it exists.

$\left[\begin{array}{cc}3& 1\\ −4& 1\end{array}\right]$