Systems of Two Linear Equations

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 this system of linear equations.

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

Tags

CCSS.8.EE.C.8B

If a system of linear equations has

one solution,

what does this mean about

the two lines?

• Parallel lines

• the same line

• Intersecting lines

Tags

CCSS.8.EE.C.8A

This system has _____ solutions

• 0

• 1

• 2

• Infinitely many

Tags

CCSS.8.EE.C.8B

Find the solution to

the system of equations:

3x + 2y = 16

y = -7x + 19

• (-2, 5)

• (-2, -5)

• (2, -5)

• (2, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A system of linear equations is...

• Math Magic

• One Equation

• Always more than 2 equations

• A set of 2 or more equations

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Determine if (1, 5) is a solution for the system of equations.

y = x + 5

y = - 2x + 8

• yes

• no

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

Which of the following are ways to solve systems of equations?

• Graphing

• Substitution

• Elimination

• All of the above

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.

y = -4x + 5

y = 3x - 16

• (-3, -25)

• (3,-7)

• (11, 17)

• (21, 47)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system?

8x + 4y = 12

y = -2x + 3

• (0,3)

• (3,0)

• No solution (parallel lines)

• Infinitely many solutions (lines coincide)

Tags

CCSS.8.EE.C.8B