Systems of linear equations and inequalities

The graphs of two linear equations are shown. What is the best estimate of the solution to the system of linear equations?

• (0, 3)

• (3, 0)

• (0, -3)

• (-3, 3)

• (-3, 0)

Tags

CCSS.8.EE.C.8B

What is the solution to this system of linear equations?

y = 4x

y - 4x = 0

• There are infinitely many solutions.

• The only solution is (0, 4)

• The only solution is (0, 0)

• There is no solution.

Solve the system of equations using elimination.

x + 2y = -3

x - y = -12

• (-9, 3)

• (-7 ,5)

• (3, 15)

• (9, 6)

Solve the system of equations using substitution.

y = 4x+1

3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• no solution

When you graph an inequality, you used a solid line when you use which symbols?

• ≤, ≥ 
• <, >

Tags

CCSS.HSA.REI.D.12

When graphing an inequality, you use a dashed line when you use which symbol?

• <, >

• ≤, ≥

Which point below is NOT part of the solution set?

• (0, 0)
• (-10, 20)
• (3, 5)
• (0, -2)

Tags

CCSS.HSA.REI.D.12

Is the smiley point a solution?

• Yes
• No
• Maybe
• IDK

Tags

CCSS.HSA.REI.D.12

Which system of linear inequalities is represented by the graph?

• y≤2x-1
  y>-2x+3
• y>2x-1
  y≤-2x+3
• y<2x-1
  y≥-2x+3
• y≤2x-1
  y>2x+3

Tags

CCSS.HSA.REI.D.12