Algebraic Expressions & Factoring
What is x in this equation?
6x-2=12+4
x=3
Would this inequality have an open or closed circle?
-12c-4<2
Open
What is the constant of variations for this equation?
y=-3/8x
-3/8
Is this Independent or Dependent: Rolling a six-sided die three times.
Independent
2+2
4 (or Fish)
10r+7=27
r=2
Solve this: 2x+5<9
x<2
Is this equation an example of direct variation?
y=4x
Yes
1/2
e=
mc2
Simplify this expression:
4t+8-2t
2t+8
x<7.5
To make 16 cookies, a recipe calls for 2 cups of sugar. Write a direct variation equation for the relationship between the cookies and the sugar.
y=8x
Jake from State Farm made a bet with Emu Lemu. Jake said that if you rolled a six-sided die twice, the probability of rolling a 4 twice was 2/12. Emu Lemu disagreed, and said the probability was 1/36. Who is correct?
EMU LEMU!
Albert Einstein or Mr. Broge?
Mr. Broge
What is a in this equation?
25a+7=5+7
a=0.2 or 1/5
-10x-6>10
x<1.6
Is this equation a direct variation?
y=6x+3
No
Donna has a bag with 3 Snickers, 8 Starbursts, and 4 Andes Mints. What is the probability that she chooses a Snickers, then an Andes Mint (without replacing)?
P (Snickers, then Andes Mint) = 2/35
What is five times eight plus two?
42
Simplify this expression:
(4x+2)-3+5
4x+4
Solve this: -3x+5<-16
x>7
Why is the equation y=5x+4 NOT a direct variation?
It does not go through the origin
Yodelay has 4 red tulips, 6 blue tulips, and 3 roses in her garden. What is the probability of her picking a red tulip, a blue tulip, and then another red tulip for her vase? (Hint: Independent)
P (red, blue, then red) = 6/143
If Mr. Broge has five memes on his wall, and you add one but take away two more, how many memes does he have now?