Pre-Algebra Chapter 8 assessment

 $Is\ \left(-1,6\right)\ a\ solution\ to\ y=-2-8x$  

• No. The point does not satisfy the equation

• Yes. The point satisfies the equation

• The point is the slope 

• The point is the Y-intercept 

 $Identify\ the\ intercepts\ \ 9x+3y=27$  

•  $xintercept\ \left(3,\ 9\right)\ yintercept\ \left(\ 9,3\right)\$   

•  $y-int\ \left(\ 0,\ 9\right)\ x-int\ \left(3,0\right)$  

•  $x-int\ \left(\ 9,0\right)\ \ y-int\left(\ 0,3\right)\$  

•  $x\ int\ \left(\ 0,\ 27\right)\ y-int\ \left(\ 27,\ 0\right)$  

 $Find\ the\ Slope\ of\ \left(\ 4,\ -7\right)\ and\ \left(\ -2,\ -10\right)$  

•  $m\ =\ 2$  

•  $m\ =0$  

•  $m\ is\ undefined\$  

•  $m\ =\frac{1}{2}$  

 $identify\ the\ slope\ of\ 2x\ +3y\ =\ -6\$  

•  $slope\ is\ 2$  

•  $slope\ is\ \frac{2}{3}$  

•  $slope\ is\ -\frac{2}{3}$  

•  $slope\ is\ undefined\$  

 $Idnetify\ the\ y-intercept\ of-36x\ +9y\ =\ 18$  

•  $y-intercept\ \left(\ 0,\ 2\right)\$  

•  $y-intercept\ \left(\ 2,0\right)$  

•  $y-intercept\ \left(0,9\right)$  

•  $y-intercept\ \left(2,9\right)$  

What is the value of the slope of a vertical line ?

 $List\ the\ domain\ of\ the\ relation\ \left\{\left(5,3\right),\ \left(6,6\right),\ \left(8,9\right)\right\}$  

•  $\left\{8,6,9\right\}$  

•  $Undefined\$  

•  $\left\{5,6,8\right\}$  

•  $\left\{3,6,9\right\}$  

 $Change\ to\ Slope-intercept\ form\ -3x+y=6$  

•  $y=\ -3x+6$  

•  $-3x=y-6$  

•  $y\ =\ 3x+6\$  

•  $y=3x-6$