8th Grade Math: Expressions Help

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8th Grade Math: Expressions

An expression is a combination of numbers, operators, grouping symbols (such as brackets and parentheses) and/or free variables and bound variables arranged in a meaningful way which can be evaluated. Bound variables are assigned values within the expression (they are for internal use) while free variables can take on values from outside the expression.
 
Many 8th grade math students find expressions difficult. They feel overwhelmed with expressions homework, tests and projects. And it is not always easy to find expressions tutor who is both good and affordable. Now finding expressions help is easy. For your expressions homework, expressions tests, expressions projects, and expressions tutoring needs, TuLyn is a one-stop solution. You can master hundreds of math topics by using TuLyn.

At TuLyn, we have over 2000 math video tutorial clips including expressions videos, expressions practice word problems, expressions questions and answers, and expressions worksheets.

Our expressions videos replace text-based tutorials in 8th grade math books and give you better, step-by-step explanations of expressions. Watch each video repeatedly until you understand how to approach expressions problems and how to solve them.
  • Tons of video tutorials on expressions make it easy for you to better understand the concept.
  • Tons of word problems on expressions give you all the practice you need.
  • Tons of printable worksheets on expressions let you practice what you have learned in your 8th grade math class by watching the video tutorials.
How to do better on expressions: TuLyn makes expressions easy for 8th grade math students.

Do you need help with Algebraic Expressions in your 8th Grade Math class?
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Do you need help with Logarithmic Expressions in your 8th Grade Math class?
Do you need help with Radical Expressions in your 8th Grade Math class?
Do you need help with Factoring Expressions in your 8th Grade Math class?
Do you need help with Trigonometric Expressions in your 8th Grade Math class?

8th Grade: Expressions Videos

Combining Like Terms
Video Clip Length: 1 minute 13 seconds
Video Clip Views: 68947

This tutorial shows how to combine like terms in given polynomial, the variables, and the constants.  You will learn to combine the coefficients of the same variable as well as pay attention to the signs of coefficients, for there are different rules for different signs and same signs.

video, algebraic expressions, algebraic fractions, combining like terms, constants, equations, expressions, like terms, polynomials, variables
Solving Equations with Decimal Coefficients and involving Decimal Division
Video Clip Length: 3 minutes 5 seconds
Video Clip Views: 46886

The tutorial will show you how to solve the linear equation for missing variable, k.  You need to combine like terms, the variables, k, first.  Then, you need to simplify by using additive inverses and then to continue to solve for k.

algebraic fractions, arithmetic operations, decimal division, decimals, dividing decimals, division, division of decimals, equations, expressions, number sense, operations, operations with decimals, solving equations
Solving Multi Step Equations 2
Video Clip Length: 2 minutes 12 seconds
Video Clip Views: 40931

This tutorial will show you how to solve linear equations with multiple steps.  In order to solve for y, you need to combine like terms.  First, reduce by adding constants on the left hand side together, then next, you should combine like terms, y's, and then get y by itself with undoing mutliplication using division.

equations, expressions, multi step equations, solving equations
See All Expressions Video Tutorials

expressions video clips for 8th grade math students.

8th Grade: Expressions Word Problems

Erica hiked up a mountain trial
Erica hiked up a mountain trial at 3km/h and returned at 4k/h. The entire trip took five hours 10 min including the half an hour she spent at the ...
Mr. Jenkins can dig a ditch
Mr. Jenkins can dig a ditch in one hour less then his son. Working together, they can do the job in 2\3 hour. How long does it take for ...
Crane A can unload the container ship
Crane A can unload the container ship in 10 hours, and crane B can unload it in 14 hours. Crane A started to unload the ship at noon and was joined by crane B at 2 P....
See All Expressions Worksheets

expressions homework help word problems for 8th grade math students.

Eighth Grade: Expressions Practice Questions

hq - mk = ks + nt       solve for k
-4x+9x=10
the graph of the function y =log5x appears in which quadrants?
Simplify: 19g-4h+4-20(g-1)
a + (4/5) a + b - (10/4)b
nine hundred seven less than twice x
75
2 + (4 -2)2
(-3) + (-4) - (-5)
x/2-x-1/3=5
2y/y+4=3/y-1
Simplify the expression:
(3x2y)(-xy)2
What is 6x + 3x?
2(a2-b2)(ab)+a4 b4
______________
       a4-b4
6x-3(1+6x)
Three more than eight times a number is equal to 19
1/4=3-(2x-1)/(x+2)
(3/2)x = 125
3x - 4 = 2
4-(x)/(x-2)=(-2)/(x-2)
x+20-x=0
(r3s-1 / r2s6)-1
12 more than a number t
What is the value of the rational expression below when x is equal to 3?
x+1
x-4
coefficients of 4e+7e+5
2√18
1/9+1/x=4/9
Seven times the product of negative five and a number.
7+[(6-2)*2*2]
3n-8n+2n
3(x+3)-7 simplify
1570536900*x-2 = 100
4x-2x2/5x-7x2
a rectangular shape has a length-to-width ratio of approximately 5 to 3.a designer can use the experssion 1/3(5w) to find the length of such a rectangle with a given width ...
47 more than b
2x+5=x-3
2(x-3)+5x
4-(-5+x)+6x
-2x-3=-7
(-2mat+2k)+(3k+ak)
What are careers that use radical equations?
find the value of the coefficient of 1/x in the expansion (2x - 1/x)^5
5x-9+6x+1
A polynomial in x has degree 3. The coefficient of x2 is 3 less than the coefficient of x3. Te coefficient of x is three times the coefficient of x2. The remaining coefficient is more than the coefficient of x3. The sum of the coefficients is -4...

expressions homework help questions for 8th grade math students.

Is there a word problem involving rational algebraic expressions?
December 16, 2008, 5:13 am

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This Eighth Grade page lists video tutorials, worksheets and word problems on expressions topic.