Matrices, Systems & Inequalities

Find the solution to the system
x − y = 3
7x − y = −3

• (4,1)
• (-1,-4)
• (-1,-1)
• vanilla

Systems of 3 Equations:
-x+6y-z=6
2x+y-3z=16
-x+5y+3z=-7

• A (0, -6, 0)
• B (0, 0, -6)
• C (3, 1, -3)
• D (-6, 4, -3)

Tags

CCSS.HSA.REI.C.6

Is (-2,4) a solution to the system?

Hint: is it in the shaded area?

• Solution

• Not a solution

• A
• B
• C
• D

• A
• B
• C
• D

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

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
• intersecting lines

Tags

CCSS.8.EE.C.8A

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions
• (0, -1.5)

Tags

CCSS.8.EE.C.8B

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (2, 0)

Tags

CCSS.8.EE.C.8B

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B