Solving System of Equations Test Review (Optional)

What is the solution to this system of equations?

• (4, -1)
• (-1, 4)
• (-4, 1)
• (-4, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3x + y = 1
y = 4x + 1

• (0, -1)
• No Solution
• (0, 8)
• (0, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve this system by substitution.

• (1, -4)

• (1, 4)

• (-4, -7)

• (-7, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.

y = 4x+1

3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• No Solution

Solve the following systems of equations using substitution:

2y + x = -18

x = 4y

• (-3, -9)

• (-12, -3)

• (-3, 9)

• (12, -3)

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

If a system of equations has infinitely many solutions, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• the same line (coinciding lines)

Tags

CCSS.8.EE.C.8A

When solving a system of equations algebraically, which statement results in no solution?

• 7 = 7

• -2 = 2

• -3 = -3

• all of the above

Solve the system of equations.

• (-23, 4)

• (-4, -3)

• (-2, -4)

• No solution

What is the first step in the substitution method?

• Substitute the value you found for one of the variables into the other equation

• isolate one of the variables in one of the equations

• substitute in the value of the isolated variable into the other equation