Quiz Review 5.1-5.4

Select the ordered pair that is a solution to the system of linear equations.
5x + 4y = 21
x  +  2y = 3

• (5,8)
• (5,-1)
• (1,4)
• (3,0)

^{Solve the system by graphing.}

• 1
• (0, -2)
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8B

How many solutions will this system have?

• One
• Two
• No Solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

When you graph the exact same equation twice,

• you will have no solution. 
• you will have one solution.
• you will have infinite solutions. 
• you will graph a giraffe. 

Tags

CCSS.8.EE.C.8B

Solve the system by substitution
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 the system by substitution
y = 2x -11
-3y = -6x -15

• (-1.5,-4)
• (1.5,4)
• No solution
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Solve by elimination
-12x - 4y = -8 
  -6x - 2y = -4

• no solution 
• (0,0)
• infinite solutions 
• (4,0)

Tags

CCSS.8.EE.C.8B

Solve by elimination. 
  4x + 8y = 20
−4x + 2y = −30

• (2, 4)
• (7, 1)
• (7, -1)
• (-5, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6