Graphing
Substitution
Elimination
Linear Inequalities
Fun Facts
100
y = 2x + 2
y = x − 1
(-3, -4)
100
y = 2
3x + 2y = 10
(2, 2)
100
x + 3y = 5
2x − 3y = −8
(−1, 2)
100
What does a dotted line mean when graphing linear inequalities?
< or >
100
True or False?
Shark teeth are said to be as hard as steel.
True
200
y = 2x + 4
y = 3x + 2
(2, 8)
200
x = −3y + 2
−x + 2y = 3
(−1, 1)
200
-5y + 8x = −18
5y + 2x = 58
(4, 10)
200
What does a solid line mean when graphing inequalities?
≤ or ≥
200
What is the only letter that does not appear on the periodic table?
J
300
x = 3
y = 2x + 1
(3, 7)
300
x − 2y = −10
3x = y
(2, 6)
300
3y − 5x = −26
−2y − 5x = −16
(4, −2)
300
y = 2x + 4
y = 6x + 30
(-4, 6)
300
How many hearts do octopus have?
3
400
4x + 2y = 8
2x + y = 4
Every point on 2x+y=4 is a solution.
400
2x – 3y = –2
y = −4x + 24
(5, 4)
400
3x = 8 + 4y
-5y = -18x + 10
(0, -2)
400
y ≤ x − 2
y > −3x + 5
Shaded below the first line and to the right of the second line.
400
What is Mrs. B's favorite animal?
Crocodile
500
y = 1/2 x + 2
y = 1/4 x + 4
(8, 6)
500
5x − 13 = y
−5x + y = 24
no solution
500
-9y = 2 - 4x
12x = 5y −38
(-4, -2)
500
2x – 3y < 12
x + 5y < 20
Shade above the first line and below the second line.
500
What number is the only number with the spelling arranged in alphabetical order?
Forty