Plot the equation using the following viewing windows:

(a) $X \min =-5 \quad X \max =5 \quad X \mathrm{scl}=1$ $Y \min =-4 \quad Y \max =4 \quad Y \mathrm{scl}=1$

(b) $X \min =-10 \quad X \max =10 \quad X$ scl $=2$ $Y \min =-8 \quad Y \max =8 \quad Y \mathrm{scl}=2$

-3 x+2 y=6

Determine a setting so that the given points will lie within the viewing rectangle. (40,20),(-20,-80),(10,40)

Use ZERO (or ROOT) to determine the positive x-intercepts of each equation. Express each answer rounded to two decimal places.

$$y=x^3+14.2 x^2-4.8 x-12.4$$

Plot the equation using the following viewing windows:

(a) $X \min =-5 \quad X \max =5 \quad X \mathrm{scl}=1$ $Y \min =-4 \quad Y \max =4 \quad Y \mathrm{scl}=1$

(b) $X \min =-10 \quad X \max =10 \quad X$ scl $=2$ $Y \min =-8 \quad Y \max =8 \quad Y \mathrm{scl}=2$

$$y=-x^2-2$$

Determine a setting so that the given points will lie within the viewing rectangle. (5,0),(6,8),(-2,-3)

Use ZERO (or ROOT) to determine the positive x-intercepts of each equation. Express each answer rounded to two decimal places.

$$y=x^3+19.5 x^2-1021 x+1000.5$$

Plot the equation using the following viewing windows:

(a) $X \min =-5 \quad X \max =5 \quad X \mathrm{scl}=1$ $Y \min =-4 \quad Y \max =4 \quad Y \mathrm{scl}=1$

(b) $X \min =-10 \quad X \max =10 \quad X$ scl $=2$ $Y \min =-8 \quad Y \max =8 \quad Y \mathrm{scl}=2$

$$y=-x^2+2$$

Determine a setting so that the given points will lie within the viewing rectangle. (-10,5),(3,-2),(4,-1)

Use ZERO (or ROOT) to determine the positive x-intercepts of each equation. Express each answer rounded to two decimal places.

$$y=x^4+1.2 x^3-7.46 x^2-4.692 x+15.2881$$

Plot the equation using the following viewing windows:

(a) $X \min =-5 \quad X \max =5 \quad X \mathrm{scl}=1$ $Y \min =-4 \quad Y \max =4 \quad Y \mathrm{scl}=1$

(b) $X \min =-10 \quad X \max =10 \quad X$ scl $=2$ $Y \min =-8 \quad Y \max =8 \quad Y \mathrm{scl}=2$

$$y=x^2-2$$

Plot the equation using the following viewing windows:

(a) $X \min =-5 \quad X \max =5 \quad X \mathrm{scl}=1$ $Y \min =-4 \quad Y \max =4 \quad Y \mathrm{scl}=1$

(b) $X \min =-10 \quad X \max =10 \quad X$ scl $=2$ $Y \min =-8 \quad Y \max =8 \quad Y \mathrm{scl}=2$

y=x+2

Find whether the given viewing rectangles result in a square screen.

$$\begin{aligned} X \min & =-8 \\ X \max & =8 \\ X \mathrm{scl} & =2 \\ Y \min & =-5 \\ Y \max & =5 \\ Y \mathrm{scl} & =2\end{aligned}$$

Use ZERO (or ROOT) to estimate the smaller of the two x-intercepts of each equation. Express the answer rounded to two decimal places. $y=x^2+4 x+2$

Plot the equation using the following viewing windows:

(a) $X \min =-5 \quad X \max =5 \quad X \mathrm{scl}=1$ $Y \min =-4 \quad Y \max =4 \quad Y \mathrm{scl}=1$

(b) $X \min =-10 \quad X \max =10 \quad X$ scl $=2$ $Y \min =-8 \quad Y \max =8 \quad Y \mathrm{scl}=2$

$$y=-x^2+2$$