5.1-5.3 Understand Equivalent Expressions
In order for two expressions to be equivalent, this must be true about both their variables and constants.
What is same value?
When expanding an expression, you are using this property.
(2a + 8) + (4a + 5)
What is 6a + 13?
A new box of macaroni claims that is contains 30% more than the usual box. What expression shows the amount of macaroni, m, in the new box?
What is 1.30m?
The longest river in the world.
What is the Nile River?
Terms that have the same variable(s) are known as these. All constants are also in their own category.
What are like terms?
3(4x - 13)
What is 12x -39
14m - (5 + 8m)
What is 6m - 5?
Dejan uses a coupon that gives him 15% off his next purchase at Target. What is an equivalent expression that Dejan could use to determine the sale price of his next purchase?
What is .85p?
What was the final score of the Super Bowl?
What was Seahawks 29 Patriots 13?
These are the 3 main properties used to create equivalent expressions.
What are associative, commutative and distributive?
x (y - 8 + z)
What is xy -8x +xz?
(5c - 7) + (-4c + 3)
What is c - 4?
Clark earns 'n' dollars per hour. Next month, he will receive a 2% raise in pay per hour. The expression
n + .02n is one way to represent Clark's pay per hour next month. Write an equivalent expression to the one above.
What is 1.02n?
This country hosted the first Modern Olympic Games
What is Greece?
Simplify
-8w + (-4z) + 2 +6w +9z - 7
What is -2w +5z - 5
98w - 28
What is 14(7w-2)
(6x - 2y - 5) - (-5 + 9y - 8x)
What is 14x - 11y?
The area of a garden plot can be represented by the expression 84z - 54. The garden will be divided into 6 sections for planting 6 different crops. Write an expression that represents the area of each section.
What is 6(14z - 9)?
This was the first movie to make over 2 billion dollars in theaters. The third one of the franchise released last year.
What is 'Avatar?'
Simplify
-6 + (-2d) + (-4d) + 3d
What is -6 - 3d?
Factor
81y + 54 - 9x
What is 9(9y + 6 - x)
Jack has 'n' markers. Ariella has 1 marker fewer than twice the number of markers Jack has. Write and simplify an expression for the total number of markers they have.
What is 3n - 1?
The perimeter of a square is represented with the expression 84 +44s. What is the length of one side?
What is 21+11s?
This time traveling movie features a DeLorean and the characters Marty McFly and Doc Brown
What is 'Back to The Future?'