91Ó°ÊÓ

Simplify

$\left(4-3i\right)-\left(5-6i\right)$

Simplify

$\left(7+2i\right)\left(1-i\right)$

Solve each equation

$5-\sqrt{b+2}=0$

Solve each equation

$\sqrt[3]{x+5}+6=4$

Complete parts a-c for each quadratic function.

1. Find y-intercept, the equation of the axis of symmetry, and the x-coordinate of the vertex.
2. Make a table of values that includes the vertex.
3. Use this information to graph the function.

$f\left(x\right)=x^2+8x+3$

Solve each equation by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located.

$-x^2-7x=0$

Complete parts a-c for each quadratic function.

1. Find y-intercept, the equation of the axis of symmetry, and the x-coordinate of the vertex.
2. Make a table of values that includes the vertex.
3. Use this information to graph the function.

$f\left(x\right)=2x^2-4x+1$

Solve each equation by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located.

$x^2-2x-24=0$

Complete parts a-c for each quadratic function.

1. Find y-intercept, the equation of the axis of symmetry, and the x-coordinate of the vertex.
2. Make a table of values that includes the vertex.
3. Use this information to graph the function.

$f\left(x\right)=3x^2+10x$

Solve each equation by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located.

$x^2+3x=28$