Solving Systems of Equations Lesson 3

 $-7x+y=-19$  

Solve the system of equations using a method of your choice.

 $-4x+9y+9$  
 $x-3y=-6$  

Solve the system of equations using a method of your choice.

 $8x+y=-16$  

 $-2x+y=-5$  

Solve the system of equations using a method of your choice.

 $2x+y=19$  
 $x-y=11$  

Solve each system of equations using a method of your choice.

 $\frac{3}{7}\times\frac{8}{21}$  

Multiply. Reduce your answers but leave as improper fractions where applicable.

 $\frac{5}{4}\times\frac{2}{9}$  

Multiply. Reduce your answers but leave as improper fractions where applicable.

 $\frac{4}{7}\times\frac{7}{10}$ 

 Multiply. Reduce your answers but leave as improper fractions where applicable.

 $\frac{3}{4}\times\frac{2}{9}$  

Multiply. Reduce your answers but leave as improper fractions where applicable.

 $\frac{4}{7}+\frac{8}{21}$ 
 Add. Reduce your answers but leave as improper fractions where applicable.

 $\frac{2}{3}+\frac{1}{4}$  

Add. Reduce your answers but leave as improper fractions where applicable.

 $\frac{3}{5}+\frac{7}{10}$  

Add. Reduce your answers but leave as improper fractions where applicable.

Graph the following equations by finding the x-intercept and the y-intercept.

−2x + 7y = −14

Graph the following equations by finding the x-intercept and the y-intercept.

6x + 2y = 18

Graph the following equations by finding the x-intercept and the y-intercept.

3x − 6y = 24

Graph the following equations by finding the x-intercept and the y-intercept.

6x+2y=18

Three points are given. Each point is a solution to at least one of the equations. Just one point satisfies both equations. Find and justify which point is a solution to both equations. $x+y=-5$  
 $y=2x+4$  

Three points are given. Each point is a solution to at least one of the equations. Just one point satisfies both equations. Find and justify which point is a solution to both equations.
 $y=2$  
 $y=-4x-6$  

Three points are given. Each point is a solution to at least one of the equations. Just one point satisfies both equations. Find and justify which point is a solution to both equations.
 $y=3x+3$  
 $y=-x+3$  

Three points are given. Each point is a solution to at least one of the equations. Just one point satisfies both equations. Find and justify which point is a solution to both equations.
 $y=-x+3$  
 $y=2x-3$