Quiz 6.1 - 6.4 Review

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Tags

CCSS.8.EE.C.8A

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

How many solutions does this system of equations have?

• One Solution
• No solution
• Infinitely Many Solutions
• Two Solutions

Tags

CCSS.8.EE.C.8B

Solve by graphing.

y=1/2 x+2

y=2x-1

• (0,-1)

• (2,3)

• No Solution

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

Solve by graphing.

x-3y=12

2x-6y=24

• (0,-4)

• (12,0)

• No Solution

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

If x=3 and 3x+y=5, what is the value of y?

• y=4

• y=-4

• y=3

• y=-3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.3

Use substitution to solve the system of equations.

• (1,4)

• (1,3)

• (4,1)

• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Find the solution to the system of equations:
3x + 2y = 16
y = -7x + 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Use elimination to find the value of x in the solution.

• x=1

• x=2

• x=3

• x=4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

To eliminate the x-variable in the system of equations, multiply the second equation by which number?

• -3

• -2

• -1

• 0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6