기울기와 일차방정식 단원 종합

S.1Find the slope (rate of change) of each table.

1. 1
   $\begin{array}{ccccc}x& 1& 4& 6& 8\\ y& -1& -10& -16& -22\end{array}$ 
2. 2
   $\begin{array}{ccccc}x& -3& -2& 0& 3\\ y& -16& -12& -4& 8\end{array}$ 

S.2Find the slope and the y-intercept of each line.

1. 3
   $y=\frac{2}{5}x-8$
2. 4
   $y=-\frac{2}{3}x+1$

S.3Write an equation in slope-intercept form for each line.

1. 5
   Equation: 
2. 6
   Equation: 

S.4Write an equation in slope-intercept form for each line. (continued)

1. 7
   slope $-6$, through $(-2,8)$
2. 8
   slope $-\frac{6}{5}$, through $(5,-9)$

S.5Give each slope, or write parallel, perpendicular, or neither.

1. 9
   Perpendicular: $y=\frac{3}{2}x+6$ 
2. 10
   Perpendicular: $y=\frac{2}{3}x$ 

S.6Is the ordered pair a solution of the equation? Write yes or no.

1. 11
   $(-5,10)$; $y=-4x-10$ 
2. 12
   $(-5,23)$; $y=-4x+3$ 

S.7Find the slope and y-intercept, or write an equation in slope-intercept form.

1. 13
   slope $5$, through $(-1,-2)$
2. 14
   slope $-\frac{5}{3}$, through $(-6,5)$

S.1Find the Slope from a Table

1. 1$-3$
2. 2$4$

S.2Slope & y-Intercept from an Equation

1. 3slope $\frac{2}{5}$, $y$-intercept $-8$
2. 4slope $-\frac{2}{3}$, $y$-intercept $1$

S.3S.4Write an equation in slope-intercept form for each line.

1. 5$y=-x+5$
2. 6$y=-2x-3$
3. 7$y=-6x-4$
4. 8$y=-\frac{6}{5}x-3$

S.5Slopes of Parallel & Perpendicular Lines

1. 9$-\frac{2}{3}$
2. 10$-\frac{3}{2}$

S.6Is the Point a Solution?

1. 11yes
2. 12yes

S.7Slope & Linear Equations Review

1. 13$y=5x+3$
2. 14$y=-\frac{5}{3}x-5$