Algebra A.7 Quiz Review

A zero in algebra is also know as what? Click all that apply.

• Root

• y-intercept

• Solution

• x-intercept

What are the zeros of the Parabola below?

• (-2.5,0) & (0.5, 0)

• (3,0) & (-1,0)

• (0, -1) & (0, 4)

• (-3,0) & (1,0)

Given:

 $f\left(x\right)=2x^3-4x^2+x-1$  
Find  $f\left(-4\right)$  

Is the following graph a function?

• Yes

• No

Dertermine the domain of the graph below:

• $D=\left\{x\le4\right\}$

• $D=\left\{x\ge2.5\right\}$

• $D\ =\left(-\infty,\ \infty\right)$

• $D=\left\{x\ge-4\right\}$

Determine the range of the graph below:

• $R=\left\{y\le4\right\}$

• $R=\left\{all\ reals\right\}$

• $R=\left\{y\ge-4\right\}$

• $R=\left\{y\le3\right\}$

Determine the domain of the following graph:

• $D=\left\{x\le1\right\}$

• $D=\left\{x\le-1\right\}$

• $D=\left(-\infty,\ \infty\right)$

• $D=\left\{x\ge0\right\}$

Determine the range of the graph below:

• $R=\left\{y\ge0\right\}$

• $R=\left\{y\le0\right\}$

• $R=\left\{y\ge1\right\}$

• $R=\left(-\infty,\ \infty\right)$

Using your graphing calculator, find the zeros of the following equation:

 $f\left(x\right)=x^2-7x+10$  

• (2,0) & (5,0)

• (-7,0) & (10,0)

• (-2,0) & (0,-5)

• (0,2) & (0,5)

Using your graphing calculator, find the zeros of the following equation:

 $h\left(x\right)=x^3-9x^2+14x+24$  

• (4,0) & (6,0)

• (-1,0), (-4,0), & (-6,0)

• (-1,0),  (4,0),  & (6,0)

• (-6,0) & (4,0)