UNIT 4A - Systems of Equations and Inequalities

What is the value of the y-coordinate of the solution to the system of equations

x - 2y = 2

x + 4y = 8

• 1

• -1

• 3

• 4

Tags

CCSS.HSA.REI.C.9

Write the inequalities represented in the picture.

• y > x - 2

  y ≤ 2x + 2

• y > 2 + x

  y ≤ 2x + 2

• y ≥ -2 + x

  y ≤ 2x + 2

• none of these are the system

Tags

CCSS.HSA.REI.D.12

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

• intersecting lines

• parallel lines

• coinciding lines

Tags

CCSS.8.EE.C.8A

The equations of two lines are:

2x - y = 4 and y = -2x + 8.

What is the value of x in the solution for this system?

• x = 8

• x = 3

• x = 11

• x = 5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Write the inequalities represented in the picture.

• 4x + 5y > 5 and y < 2/3x + 3

• 4x + 5y > -5 and y < 2/3x + 3

• 4x - 5y > 5 and y < 2/3x + 3

• 4x - 5y > 5 and y < 2/3x + 3

Tags

CCSS.HSA.REI.D.12

Find the solution to the system of equations below.

y = 2/3x - 2

y = -x + 3

• (0, 3)

• (0, -3)

• (3, 0)

• (-3, 0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y

3x + 2y = -4

7x + y = 9

• (-2, 5)

• (-2, -5)

• (2, -5)

• (2, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Write the inequalities represented in the picture.

• x - 3y < 0 and 2x + y ≤ -4

• 3x - y < 0 and 2x - y ≤ -4

• 3x + y > 0 and 2x + y ≤ 4

• 3x - y < 0 and 2x + y ≤ 4

Tags

CCSS.HSA.REI.D.12

When the lines graphed are coinciding, then _?_

• you will have no solution.

• you will have exactly one solution.

• you will have infinitely many solutions.

Tags

CCSS.8.EE.C.8A