Test #3

Question 1

(X+Y)(X-Y) Expanded

Answer 1

X^2 - Y^2

Question 2

(X-Y)^2

Answer 2

X^2-2XY+Y^2

Question 3

(X+Y)^2

Answer 3

X^2+2XY+Y^2

Question 4

Less than or EQUAL TO

DASH OR SOLID

Answer 4

Solid

Question 5

Less than

DASHED OR SOLID

Answer 5

Dashed

Question 6

|2x+2|

Answer 6

2x+2=5

OR

2x+2=-5

ONLY WITH ABSOLUTE VALUE SIGNS

Question 7

Interval Notation

Answer 7

Examples:

-infin, 2
OR
(-infin,2]