2.27 algebra 2

Steffen graphed two lines in order to find the solution to a given system of equations.

What is the solution?

• (-3,-8)

• (-8,-3)

• (3,-8)

• (8,3)

Tags

CCSS.8.EE.C.8B

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

How many solutions will this system have?

• One
• Two
• No Solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Solve this system of equations using substitution

y=8x-5

y=2x+19

• (1,3)

• (2.4, 23.8)

• (2.5,15)

• (4,27)

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines
• Same line
• Parallel lines

Tags

CCSS.8.EE.C.8A

Solve using substitution

y = 8x + 2

y = -x - 7

• (1, 10)

• (-1, -6)

• (2, 7)

• (9, 9)