Systems of Linear Equations and Inequalities Review

Solve the following system by graphing.  What is the solution?

• Infinite number of solutions
• (3, 3)
• (3, -3)
• (-3, 3)

Tags

CCSS.8.EE.C.8B

Solve the following system by graphing.  What is the solution?

• (3, -1)
• (-1, -3)
• (-1, -1)
• (-1, 3)

Tags

CCSS.8.EE.C.8B

The first step in solving using the substitution method is __________.

• get x by itself
• get y by itself
• get either variable by itself
• add the equations together

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3x + 2y = 8
-x + y = -11

• (-5,6)
• (6,-11)
• (-6,-5)
• (6,-5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by substitution:

y=2x

x + y = 9

• (6, 3)

• (3, 6)

• (-3, -6)

• no solution

Tags

CCSS.HSA.REI.C.7

Solve the system by substitution

7x + y = -20

y = 3x + 10

• (-3, 1)

• (-1, -3)

• (-3,-7)

• (-1,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.

8x +10y = - 20

−8x − 6y = −4

• Infinite number of solutions

• (6, 5)

• (−6, −5)

• (5, −6)

Tags

CCSS.8.EE.C.8B

Solve the system of Equation (Elimination Method)
5x + y = 9
10x − 7y = −18

• (-4,-1)
• (-1,-4)
• (4,1)
• (1, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.
  5x + 8y = -12
3x + 5y = -7

• (1, -10)
• No solution
• (-4, 1)
• (1, 10)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Tags

CCSS.8.EE.C.8A