Alg I CT Quiz 6.3

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

• intersecting lines

• parallel lines

• skew lines

• same line

Tags

CCSS.8.EE.C.8A

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by elimination.
-x + y = -13
-8x - 4y = -8 

• (5, 8)
• (5, -8)
• (-5, -18)
• (-5, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of the x-coordinate of the solution to the system of equations

x-2y=1

x+4y=7

• 1

• -1

• 3

• 4

Tags

CCSS.HSA.REI.C.9

Solve the system of equations.
x + 2y = -3
x - y = -12

• (-9, 3)
• (-7 ,5)
• (3, 15)
• (9, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

x - 2y = 4
3x +2y = 4

• (-2,-1)
• (4,-1)
• (2,-1)
• (4,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (1, 4)

• (4, 1)

• (1, -4)

• (-4, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (-5, -9)

• (9, 5)

• (5, 9)

• (-9, -5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which variable would be easiest to eliminate?

• x

• y

• Neither

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When you solve the system of equations, what is the solution for y?

• 8

• -1

• 1

• -8

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6