Modeling and Solving Equations and Inequalities

Which points are solutions to the system of inequalities? Select all that apply.

• (0,0)

• (-1,1)

• (1,-1)

• (0,-4)

• (0,1)

Tags

CCSS.HSA.REI.D.12

Which points are solutions to the system of inequalities? Select all that apply.

• (-1,3)

• (-3,1)

• (0,4)

• (4,0)

• (0,2)

Tags

CCSS.HSA.REI.D.12

Solve for x and y
2x − 3y = −1
 y = x − 1

• (-2,-3)

• (0,-1)

• (3,4)

• (4,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the proper way to set up the equation to begin solving?

y = 6x − 11

−2x − 3y = −7

• -2(-11) -3y= -7

• -2(6x-11) -3y = -7

• -2x -3(11) = -7

• -2x - 3(6x-11)= -7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What variable do you eliminate?

4x + 8y = 20

−4x + 2y = −30

• X because they have opposite signs

• Y because they have opposite signs

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y
5x + 3y = 7
y = 4

• (4,1)

• (4,-1)

• (1,4)

• (-1,4)

Tags

CCSS.HSA.REI.C.9

Solve the system given:
3x - y = 7
2x + y = 3

• (-1,2)

• (5,4)

• (4,5)

• (2,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• ∅

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which points are solutions to the system of inequalities. Select all that apply.

• (2,2)

• (0,0)

• (4,1)

• (0,1)

• (3,-1)

Tags

CCSS.HSA.REI.D.12

Which two inequalities make up the given system?

Tags

CCSS.HSA.REI.D.12