How do you simplify the expression?
2x + 3 -x
x + 3
Write (Not Solve) an Equation for the Word Problem.
If Harry is paid $10 a day how many days will it take to earn $140?
10x = 140
10x = 140
x = 14
What is this symbol mean?
<=
Greater than or Equal to
What is this symbol mean?
>=
Greater than or Equal to
What is this called? And what is its approximation?
pi
pi, 3.14
How do you simplify this expression?
2(x -12) +15
2x - 9
Write (Not Solve) an Equation for the Word Problem.
If Draco had 20 Galleons and his father gave him 10 Galleons a week, how long would it take for him to earn 2400 Galleons?
20 + 10w = 2400
20 + 10w = 2400
w = 238
Simplify the One-Step Inequality
4x> 32
x>8
Simplify and Graph the One-Step Inequality
2x<=10
x<=5
What are the different parts (top and bottom) of a fraction called? (Need to be labeled correctly)
Top = Numerator
Bottom - Denominator
How do you simplify this expression?
-5x + 17 -3x + 6
-8x + 23
Write (Not Solve) an Equation for the Word Problem.
Hermoine bought 8 books, lost 3 books, and would get a new book every week. How many weeks would need to pass in order for Hermoine to have 44 books?
8 - 3 + x = 44
8 - 3 + x = 44
x = 39
Simplify the One-Step Inequality
x/-8> 7
x<56
Simplify and Graph the One-Step Inequality
x/-4> 12
x<-3
What is the three word method for dividing fractions?
Keep, Change, Flip
How do you simplify this expression?
4(3x - x + 5)
8x + 20
Write (Not Solve) an Equation for the Word Problem.
Seamus went to the store twice. Both times he spent $40 dollars on food and bought 4 movies. Between the 2 trips he spent $105. How much did he spend on the movies in average?
2(40 + 4m) = 104
2(40 + 4m) = 104
m = 3
Simplify the Two-Step Inequality
3x+21>=3
x>=-6
Simplify and Graph the Two-Step Inequality
5x+25<=10
x<=-3
What is the number in front of a variable called?
A Coefficient.
How do you simplify this expression?
3 + 2(4x - 2 + 4) + 2x
10x + 7
Write (Not Solve) an Equation for the Word Problem.
Ron on average would cast 12 spells in a day four times a week. Then he would cast 8 spells for the other 3 day. How many weeks would it take for Ron to cast 444 spells.
w(4*12 + 3*8) = 432
or
72w = 432
w(4*12 + 3*8) = 432
w = 6
Simplify the Inequality
-2(x+7)<=22
x>=-18
Simplify and Graph the Inequality
-10(x-12)<=-80
x>=20
What is the mathematical term for using the opposite sign while doing multi-step equations and inequalities?
The Inverse of Operations