Alg 1 review

The solution to this system of equations is:

• (4, 3)
• (3, 4)
• (-4, 3)
• No solution

Tags

CCSS.8.EE.C.8B

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

Solve the system of equations:

y = 2x

x + y = 9

• (6, 3)

• (3, 6)

• (-3, -6)

• no so lution

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

CCSS.HSA.REI.C.6

Solve by elimination:

4x + 9y = 28

-4x - y = - 28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Solve by elimination

-12x - 10y = 0

6x + 5y = -1

• infinite solutions

• (0,0)

• no solution

• (2,1)

Solve:
8x + 4y = 12
y = -2x + 3

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

Tags

CCSS.8.EE.C.8B

Which inequality is graphed on the given coordinate plane?

•  y > x + 1
• y < x + 1
• y ≥ -x + 1
• y ≤ -x + 1

Tags

CCSS.HSA.REI.D.12

Which inequality is graphed on the given coordinate plane?

•  y  < 2x +2
• y > ¹/₂x - 2
•  y ≥ - 2x +2
•  y ≥ 2x - 2

Tags

CCSS.HSA.REI.D.12

Which ordered pair(s) is a solution to the given system?

• (5, -5)
• (0,0)
• (-5, -2)
• (3,-3)

Tags

CCSS.HSA.REI.D.12