Equations w/Distributive Property
Equations w/ Variables on Both Sides
Two-Step Equations
Equations Vocab
How Many Solutions
100
In Elf, what does Buddy say when he answers the phone?
"Buddy the Elf - what's your favorite color?"
100
5n - 2 = 8n - 14
n = 4
100
6x – 13 = 11
x = 4
100
What does it mean to "combine like terms"?
add/subtract terms with the same variables or constants with no variables
100
2x + 2 = 2x + 2
Infinite Solutions
200
Solving Equations
4(6 + 5x) = 124
x = 5
200
What kind of idea did the Grinch have?
("The Grinch had a _____, _____ idea!")
The Grinch had a wonderful, awful idea!
200
3x + 5 = 14
x= 3
200
What are inverse operations? Give one example.
opposite operations that undo each other
Examples: addition and subtraction, multiplication and division, square and square root
200
-7x + 2 = 2x + 2 - 9x
Infinite Solutions
300
Solving Equations
-108 = -8(x + 6) - 4
x = 7
300
Solving Equations
6(6n - 2) = 8n - 40
n = -1
300
-4x + 10 = -10
x = 5
300
In Home Alone, what does Kevin steal from the grocery store?
A toothbrush
300
-7x + 3 = 2x + 2 - 9x
No Solution
400
Solving Equations
172 = 5(4a + 6) + 2
a = 7
400
Solving Equations
5x + 5 + 4x = 4 - 3x + 6
x= 5/12 or x= 0.41667
400
Diwali is known as the Festival of Lights for what group? Or what country is it celebrated in mostly?
Hindus in India
400
What is a "constant" when talking about equations?
A number that is NOT multiplied by a variable
(a number by itself, not affected by the variable)
400
-7x + 3 = 2x + 2
One Solution
500
Solving Equations
-93 = 7(-3k - 8) + 5
k = 2
500
Solving Equations
-5(8n - 4) - n = - 16 - 5n
n = 1
500
-25 - 9x = -25
x = 0
500
What is a "coefficient"?
Numerical part of a term
(the number next to/attached to the variable)
500
To the nearest thousand, how much does the New Year's Eve ball weigh?
11,875lbs, so approx. 12,000lbs
