Chapter 2A Review

Which of the following is the graph of

 $y=-3\left(x-3\right)^2+6$  

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• 
• 
• 

What is the equation of the line shown

• $y=4x-4$

• $y=-4x+4$

• $y=\frac{1}{4}x-4$

• $y=-\frac{1}{4}x+4$

What is the equation of a parabola with a vertex at (-2, 4) and opens downward?

• $y=-\left(x-2\right)^2-4$

• $y=-\left(x+2\right)^2+4$

• $y=\left(x+2\right)^2+4$

• $y=-\left(x-2\right)^2+4$

If

 $f\left(x\right)\ =2x^2-4x$  what is f(-3)

• -6

• -30

• 6

• 30

What is the domain of the graph shown?

• All real numbers

• $x\ge0$

• $x\ge6$

• $-2\le x\le2$

What is the range of the graph shown?

• All real numbers

• $y\le0$

• $y\le4$

• $0\le x\le4$

Solve

 $6x^2-23x+20=0$  

•  $x=\ 4\ and\ 5$  

•  $x=\frac{4}{3}\ and\ \frac{5}{2}$  

•  $x=-\frac{4}{3}and\ -\frac{5}{2}$  

•  $x=-4\ and\ -5$  

Write

 $y=x^2+2x-\ 3$  in graphing form

What is the distance between (-6, -3) and (2, 10)?

What is the equation of the line that passes thru points (-6, -3) and (2, 10)

• $y=\frac{13}{8}x+6.75$

• $y=\frac{8}{13}x+8.77$

• $y=-\frac{7}{4}x+13.5$

• $y=-\frac{4}{7}x+8.86$