Solving System of Equations Graphically and Algebraically

y = 2x + 1
3x + y = 16

• x = 3

• (2, 7)

• (3, 5)

• (3, 7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

From Unit 3, which concepts do you struggle with the most? You can choose more than one.

• Solving Systems of equations Graphically

• Solving Systems of equations Algebraically using Substitution

• Solving Systems of equations Algebraically using Elimination

• I don't know...

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

Using the Elimination method, what is the solution to this system:

y = 5x + 1 y = 3x + 13

• (6, 31)

• (31, 6)

• (4, 21)

• (2, 11)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If a system of equations has no solution, what does the graph look like? 

• intersecting lines

• parallel lines

• skew lines

• same lines

Tags

CCSS.8.EE.C.8A

7x - y = -10
-7x + 5y = -6

• (-2, -4)

• (-2, -1)

• (-4, -1)

• (6, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How can you tell if a point is a solution to a system?

• It makes the first equation true.

• The (x,y) coordinates satisfy both equations

• It makes logical sense

• It makes neither equation negative

Determine the number of solutions to the given linear-quadratic system.

• 0 solutions

• 1 solution

• 2 solutions

• 3 solutions

Tags

CCSS.HSA.REI.C.7

Find the solution to the system algebraically.

• (7 , -4) , (-4 , -26)

• (-7 , 4) , (-4 , 26)

• (-7 , 4) , (4 , 26)

• (-7 , -4) , (4 , -26)

Tags

CCSS.HSA.REI.C.7