LINEAR EQUATIONS
COMBINING LIKE-TERMS
INEQUALITIES
SYSTEMS
VOCABULARY
100

SLOPE OF ANY HORIZONTAL LINE

What is ZERO?

100

3x + 2 + x

What is 4x + 2?

100

3X - 7 > - 7

What is X > 0 ?

100

What the graph of a system of equations looks like when there is no solution

What is PARALLEL LINES?

100

Rate of change, Rise over Run

What is SLOPE?

200

SLOPE-INTERCEPT FORM of a linear equation

What is y = mx + b ?

200

3x + 2xy + 1 - 2x

What is x + 2xy + 1 ?

200

-7X + 5 < - 9

What is X > 2 ?

200

How you can tell (without graphing) that there is NO SOLUTION to a system of equations

What is the SLOPES are the SAME?

200
Written in math using primarily a letter but sometimes can be a symbol.

What is a variable?

300

Slope of any VERTICAL LINE

What is UNDEFINED?

300

Simplify 3(x + 1) - 2(x - 2) + 6 - x

What is 13?

300

(X + 5) / 6 > - 4

What is X > - 29?

300

How many solutions a system of equations has when the graph shows INTERSECTING lines

What is ONE?

300

The solution to a system of inequalities.

What is a double-shaded region?

400

14 - (x + y) = 3(x + 9) - 10,

PUT INTO SLOPE INTERCEPT FORM.

Y = -4x - 3

400

Simplfy 2(x + 7y - 1) + 4(-2x - 3y + 1)

What is -6x + 2y + 2?

400
28 < 4 - 4X
What is X < - 6?
400

the number you could multiply the FIRST EQUATION by so that you will ELIMINATE the X'S when you add the equations together ...... -3X + 5Y = 20 ....... -12X - 4Y = 0

What is -4 ?

400

Another way to represent performing the opposite operation. (begins with I)

What is Inverse or Inverse Operation ?

500

3(y - 10) + 1 = x(y - 8),

Solve for y when x = 2.

What is y = 13?

500

Simplify -2(2x + 2xy - 2y) + 3(-2x + xy - 6)

What is -10x - 7xy + 4y - 18?

500
| X | > 3
What is X > 3 or X < -3 ?
500

When the graph of two equations looks like this, there are INFINITELY MANY SOLUTIONS

What is ONLY ONE LINE (they intersect everywhere)

500

Two lines could have zero solutions (parallel), one solution (intersect), or infinitely many (coincidental/ same).

What is the solution to a system of linear equations?