Modeling Two-Step Inequalities
You can use algebra tiles to model two-step inequalities.
Use algebra tiles to model 2k +52-3.
A Using the line on the mat, draw in the
inequality symbol shown in the inequality.
B How can you model the left side of the
inequality?
How can you model the right side of the inequality?
D
Use algebra tiles or draw them to model the inequality on the mat.
Reflect
1. Multiple Representations How does your model differ from the one
you would draw to model the equation 2k + 5 = -3?

$8

step-by-step explanation:

it is pretty much backwards.

you take the 4x2 multiply that, and that is = $8

c: lkllmn.

hope it's you

{x = -1/2 ,   y = -1

step-by-step explanation:

solve the following system:

{2 x + y = -2

{10 x - 3 y = -2

in the first equation, look to solve for y:

{2 x + y = -2

{10 x - 3 y = -2

subtract 2 x from both sides:

{y = -2 x - 2

{10 x - 3 y = -2

substitute y = -2 x - 2 into the second equation:

{y = -2 x - 2

{10 x - 3 (-2 x - 2) = -2

10 x - 3 (-2 x - 2) = (6 x + 6) + 10 x = 16 x + 6:

{y = -2 x - 2

{16 x + 6 = -2

in the second equation, look to solve for x:

{y = -2 x - 2

{16 x + 6 = -2

subtract 6 from both sides:

{y = -2 x - 2

{16 x = -8

divide both sides by 16:

{y = -2 x - 2

{x = -1/2

substitute x = -1/2 into the first equation:

{y = -1

{x = -1/2

collect results in alphabetical order:

answer:   {x = -1/2 ,   y = -1