Solving Systems of Equations (and linear inequality review)

Give the solution to the system

• (3,1)
• (1,3)
• (-1,3)
• No solution

Tags

CCSS.8.EE.C.8A

How many solutions will this system have?

• No solution

• One Solution

• Infinitely Many Solutions

When you graph the exact same equation twice...

• you will have no solution.

• you will have one solution.

• you will have infinite solutions.

What is the first step in the substitution method?

• graph each line

• isolate one of the variables in one of the equations

• substitute in the value of the isolated variable into the other equation

How many solutions will this system have?

y = 2x + 1

y = 2x - 1

• one, the lines are parallel

• none, the lines are parallel

• one, the lines are intersecting

• infinite, the lines have the same slope and y intercept

A system of perpendicular lines will have....

• one solution

• no solutions

• infinite solution

• two solutions

How many solutions will this system have?

y = 2x + 1

2y = 4x + 2

• one, the lines are parallel

• none, the lines are parallel

• one, the lines are intersecting

• infinite, the lines have the same slope and y intercept

How many solutions will this system have?

y = 2x + 1

y = -1/2 x + 3

• one, the lines are parallel

• none, the lines are parallel

• one, the lines are perpendicular

• infinite, the lines have the same slope and y intercept

Which ordered pair is the solution of the system graphed below?

• (2, 0)
• (8, 0)
• (-3, 5)
• (3, 8)

Tags

CCSS.8.EE.C.8B

Which of the following inequalities matches the given graph?

• y ≥ 2/5x + 1
• y ≥ -2/5x + 1
• y≤  2/5x + 1
• y ≥ -2/5x - 1

Tags

CCSS.HSA.REI.D.12