Solving systems of equations review

1.) Graph the following:  $y=3x-4$  

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Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.C.7

2.) Graph the following:  $y=-\frac{2}{3}x+1$  

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Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.C.7

3.) Solve the following system of equations by graphing.
 $y=x+2$  
 $y=3x-2$  

• (5,7)

• (2,4)

• (-5,-3)

• (0,2)

Tags

CCSS.8.EE.C.8B

4.) Solve the following system of equations by graphing. $y=-\frac{1}{4}x-4$  
 $y=\frac{5}{4}x+2$  

• (-4,-3)

• (4,7)

• No solution

• Infinite Solutions
  

Tags

CCSS.8.EE.C.8B

5.) Solve the following system of equations by graphing. $y=-4x-6$  
 $y=-2\left(2x+3\right)$  

• (0,-6)

• (1,-10)

• No Solution

• Infinite solutions

Tags

CCSS.8.EE.C.8B

6.) Solve the following system of equations by graphing. $\frac{1}{3}x+y=1$ 

 $\frac{1}{3}x+y=-4$  

• (3,0)

• (3,-7)

• No solution

• Infinite solution

Tags

CCSS.8.EE.C.8B

 7.) Solve the following by substitution

 $x=-8y-15$ 

 $7x+8y=-9$  

• Infinite solutions

• No solutions

•  $\left(-1,\frac{1}{4}\right)$  

•  $\left(1,-2\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

8.) Solve by substitution

 $-9x-3y=-2$  

 $y=-3x-4$  

• Infinite solutions

• No solution

•  $\left(3,-13\right)$  

•  $\left(0,\frac{2}{3}\right)$  

Tags

CCSS.8.EE.C.8B

 9.) Solve by elimination

 $-12x-4y=15$ 
 $7x+4y=8$  

•  $\left(0,2\right)$  

•  $\left(-4.6,10.05\right)$  

• No solution

• Infinite solutions

Tags

CCSS.8.EE.C.8B

 10.) Solve by elimination

 $-7x+3y=-19$ 
 $-2x+3y=-19$  

•  $\left(0,-6\ \frac{1}{3}\right)$  

•  $\left(0,-\frac{5}{3}\right)$  

• No solution

• Infinite solutions

Tags

CCSS.8.EE.C.8B