Unit Review: Slope & proportional graphs

R.1Find the slope of each line.

1. 1
   Slope: 
2. 2
   Slope: 
3. 3
   Slope: 
4. 4
   Slope: 

R.2Find the slope of the line through each pair of points.

1. 5
   $(5,6)$ and $(9,-10)$ 
2. 6
   $(2,-8)$ and $(-3,2)$ 

R.2Find the slope of the line through each pair of points. (continued)

1. 7
   $(-6,2)$ and $(-8,10)$ 
2. 8
   $(-5,9)$ and $(4,3)$ 

R.3Find the rate of change (slope) of each table.

1. 9
   $\begin{array}{ccccc}x& -3& 0& 3& 4\\ y& -6& 6& 18& 22\end{array}$ 
2. 10
   $\begin{array}{ccccc}x& -2& 1& 4& 7\\ y& 20& 5& -10& -25\end{array}$ 
3. 11
   $\begin{array}{ccccc}x& -3& -1& 0& 2\\ y& -16& -10& -7& -1\end{array}$ 
4. 12
   $\begin{array}{ccccc}x& -3& -1& 0& 3\\ y& 1& 7& 10& 19\end{array}$ 

R.4Find the missing coordinate.

1. 13
   The line through $(4,-6)$ and $(r,-24)$ has slope $6$. Find $r$.
2. 14
   The line through $(-4,7)$ and $(a,11)$ has slope $-4$. Find $a$.
3. 15
   The line through $(2,-2)$ and $(t,10)$ has slope $-6$. Find $t$.
4. 16
   The line through $(3,-2)$ and $(1,k)$ has slope $1$. Find $k$.

R.5Find the constant of proportionality, k.

1. 17
   k = 
2. 18
   k = 
3. 19
   k = 
4. 20
   k = 

R.6Answer each question. Give k for a proportional line.

1. 21
   Equation: 
2. 22
   Equation: 
3. 23
   Equation: 
4. 24
   Equation: 

R.1Find the Slope from a Graph

1. 1$-\frac{3}{5}$
2. 2$5$
3. 3$3$
4. 4$1$

R.2Find the Slope from Two Points

1. 5$-4$
2. 6$-2$
3. 7$-4$
4. 8$-\frac{2}{3}$

R.3Rate of Change from a Table

1. 9$4$
2. 10$-5$
3. 11$3$
4. 12$3$

R.4Find a Missing Coordinate Using Slope

1. 13$r=1$
2. 14$a=-5$
3. 15$t=0$
4. 16$k=-4$

R.5Constant of Proportionality from a Graph

1. 17$\frac{1}{2}$
2. 18$2$
3. 19$\frac{5}{2}$
4. 20$6$

R.6Graphs of Proportional Relationships

1. 21$y=5x$
2. 22$y=8x$
3. 23$y=6x$
4. 24$y=7x$