Simplifying Expressions
A mathematical sentence without an equal sign that cannot be solved without additional information
What is an expression?
The solution to:
4x + 14 + 4x =38
What is x = 3?
An expression for the perimeter of a rectangle with side lengths of 4 and 4x - 1
What is 8x + 6 ?
A number sentence to represent the cost of frozen yogurt if the bowl cost $0.75 and the yogurt is $0.50/ounce
What is 0.75 + 0.50x ?
A type of real number that cannot be written in the form of a fraction. The decimal goes on forever without repeating.
What is an irrational number?
Simplify:
-3x + 14 -11 + 11x
What is 8x + 3?
The solution to:
17 - 1/9x = 10
What is x = 63 ?
An expression simplified for perimeter of a rectangle with a width of x and length of 2x
Expression: 2x + 2x + x + x or 2(2x) + 2x
What is 6x?
Marshall earns $36,000 and each year he receives a $4000 raise. Jim earns $51,000 each year and receives a $1500 raise.
An equation for how many years will it take for Marshal and Jim to earn the same salary.
What is:
36,000 + 4000x = 51,000 + 1500x
All answers to: x2 = 144
A. 12 D. 34
B. -12 E. +/- 12
C. 72 F. 26
What is A, B, E ?
Simplify: 3/2(4f-10)
What is 6f - 15 ?
The solution to: -2(3x-10)=16
What is x= 2/3 or x = 0.6 repeating ?
An expression for the perimeter of an equilateral triangle with a side length of 1.25x - 1
What is 3.75x - 3 ?
The perimeter of a rectangle is 36 and the side lengths are 12 and 4x-6. The value of x?
36 = 2(12)+2(4x-6) or 36= 12+12+4x-6+4x6 Simplified: 36= 8x+12
What is x= 3?
(y3 x y5 ) / y2
What is y6 ?
Simplify:
-1/3(15x + 30) - 5
What is -5x - 15 ?
The solution to:
-4x + 6(4x -3) = -8
What is x = 1/2 ?
An expression for the area of a rectangle with a length of 8 and a width of 3/4x + 5
8(3/4x +5)
What is 6x + 40?
The area of a rectangle is 56cm squared. The width is 2 cm and the length is 4+x. The value of x.
56 = 2(4+x)
What is x=24?
How many times greater is 6 x 105 than 2 x 102 ?
What is 3x103 or 3000 ?
simplify
7 - 3(4 - 2x) + 5x
The solution to: 22 + 4x + 50x = 10(6x - 2)
What is x = 7 ?
A square and an equilateral triangle have the same perimeter. The side length of the square is 2x+5. The side length of the triangle is 2x+8. The value of x
4(2x+5)=3(2x+8)
What is x = 2
Solve: Jay has a VIP membership to the theater that costs $27 a year and $6 for each movie. Claire doesn't have a membership so she pays $8.25 for each movies she sees. Movies would Jay and Claire have to see in a year to pay the same amount.
27 + 6x = 8.25x
What is x = 12 movies?
The error in the following solved problem:
2.5 x - 4 + 3.5x - 12 = -13
6x - 16 = -13
6x = 3
x= 2
What is not dividing by the coefficient of 6?