Pre-Calculus: Equations Help

This page is for pre-calculus students who need help, and for teachers and tutors who are looking for resources on equations.

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Pre-Calculus: Equations

An equation is a mathematical statement, in symbols, that two things are the same (or equivalent). Equations are written with an equal sign. Equations are often used to state the equality of two expressions containing one or more variables.
 
Many students find equations difficult. They feel overwhelmed with equations homework, tests and projects. And it is not always easy to find equations tutor who is both good and affordable. Now finding equations help is easy. For your equations homework, equations tests, equations projects, and equations 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 equations videos, equations practice word problems, equations questions and answers, and equations worksheets.

Our equations videos replace text-based tutorials and give you better step-by-step explanations of equations. Watch each video repeatedly until you understand how to approach equations problems and how to solve them.
  • Hundreds of video tutorials on equations make it easy for you to better understand the concept.
  • Hundreds of word problems on equations give you all the practice you need.
  • Hundreds of printable worksheets on equations let you practice what you have learned by watching the video tutorials.
How to do better on equations: TuLyn makes equations easy.

Do you need help with Algebraic Equations in your Pre-Calculus class?
Do you need help with First Degree Linear Equations in your Pre-Calculus class?
Do you need help with Fractional Equations in your Pre-Calculus class?
Do you need help with Polynomial Equations in your Pre-Calculus class?
Do you need help with Quadratic Equations in your Pre-Calculus class?
Do you need help with Linear Equations in your Pre-Calculus class?
Do you need help with Solving Equations in your Pre-Calculus class?
Do you need help with Absolute Value Equations in your Pre-Calculus class?
Do you need help with Addition Equations in your Pre-Calculus class?
Do you need help with Subtraction Equations in your Pre-Calculus class?
Do you need help with Multiplication Equations in your Pre-Calculus class?
Do you need help with Division Equations in your Pre-Calculus class?
Do you need help with Multi-Step Equations in your Pre-Calculus class?
Do you need help with Radical Equations in your Pre-Calculus class?
Do you need help with Circle Equation in your Pre-Calculus class?
Do you need help with Logarithmic Equations in your Pre-Calculus class?
Do you need help with Systems Of Equations in your Pre-Calculus class?
Do you need help with Line Equations in your Pre-Calculus class?
Do you need help with Rate Equations in your Pre-Calculus class?
Do you need help with Literal Equations in your Pre-Calculus class?
Do you need help with Rational Equations in your Pre-Calculus class?
Do you need help with Graphing Equations in your Pre-Calculus class?
Do you need help with Parametric Equations in your Pre-Calculus class?
Do you need help with Factoring Equations in your Pre-Calculus class?
Do you need help with Trigonometric Equations in your Pre-Calculus class?
Do you need help with Differential Equations in your Pre-Calculus class?

Pre-Calculus: Equations Videos

Combining Like Terms
Video Clip Length: 1 minute 13 seconds
Video Clip Views: 53713

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 Fractions With Unlike Denominators 2
Video Clip Length: 2 minutes 5 seconds
Video Clip Views: 38504

denominator, equations, fractions, lcd, lcm, least common denominator, least common multiple, like denominators, number sense, numbers, solving equations, unlike denominators
System Of Linear Equations In Two Variables Substitution Method 3
Video Clip Length: 3 minutes 35 seconds
Video Clip Views: 37729

This clip shows how to solve a given system of two linear equations:

x - 3y = -5
2x - 5y = -9

equations, linear equations, systems, systems of equations, systems of linear equations
See All Equations Video Tutorials

Pre-Calculus: Equations Worksheets

See All Equations Worksheets

Pre-Calculus: Equations 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 ...
A circle with radius 5
A circle with radius 5 has its center at (4,1). the line x-2y+4=0 intersects the circle. find the intersections
Simone has 16 player on her soccer team
Simone has 16 player on her soccer team. There are 6 more boys than ...
See All Equations Worksheets

Pre-Calculus: Equations Practice Questions

6=1 - 2n +5
a(x-3)/b=2ax/c+5 solve for c
8x=5y solve for x
2x - 2y = 15
x + y = 11
Graph the quadratic formula

y = (-1/3) (x+1)2 + 2
Graph the quadratic equation

y = 2 (x-2)2 + 1
5/2 - x = 7/10
Solve the system of equation:
23x + 21y = -593
21x + 23y = -595
Solve the system of equations:
x + y = -1
x - y = 1/3
Solve the system of equation:
2q + 3r = -1
5q + 5r = -3
In the quadratic formula, if b2 - 4ac is less than 0...
In the quadratic formula, if b2 - 4ac is greater than 0...
What is b2 - 4ac called in the quadratic formula?
x/2-x-1/3=5
x2-8x+12=0
Which way does the graph of
y= 2 |x-6| +9
open?
Which way does the absolute value graph open for

y = -3 |x+8| +12
Which graph is steeper?

y = (-1/2) |x|
or
y = (1/4) |x|
Where is the vertex of

y = (1/2) |x-3| + 6
Where is the vertex of

y = -2 | x + (1/2) | - 4
Where is the vertex of the equation

y = 3 |x+4| - 6
Find the solutions to:
-2 |x-4| + 7 = 3
Find the solutions to:
-2 |x+4| = 6
Find the solutions to:
|x+2| = 5
5y-20/5y+15 x 2y+6/y-4
18p-45=0
0=2x+2x-8/7
2x + 8y= -11
2x - 2y =-1
Solve using the elimination method
-x+3y=-4
x+4y=-10
26=8 + v
x-6y=8
5x-30y=40
one number is five less than another. If twice the larger is divided by the smaller, the quotient is 3 and the remainder is 4. If none of the numbers is equal to ...
x+y=11
3x+4y=39
Find the vertex point of y=-2|x|+5
h=-0.0425d2+3.57d
-5(-2x-6)=30-7x
How do you do this problem.
29 - 2x = 13
If a 5 foot tree cost $20 then what is the price of a 6-foot tree?
3x=5y-15
-4x + y=9
8x + 5y=45
2x+y=3y
m=4n
3m-2n=20
x+y=5 and 2x-3y=4
4x=1y+3
y=5x+3
x+y=5
x-y=3
solve by elimination method
-4x+9y=9
x- 3y= - 6
4d=5d-8
p=2b+2h for b
y=2x+8
2y=-2x-2
c2/3+19c/12+1=0
-6x+5y=18
4x-2y=-20
3y=36+9y
The sum of two numbers is 12 and product is 32...
y=2x2-4x-15
x2-8x+11
3x+2y=9
y=x+2
5x+7y=6
10x-3y=46
X3-2X2-X+2=0
y-4=2
-x+8y=16
3x+4y=36
sqrt(x) - 1 = sqrt(x-7)
Write a quadratic equation having the given numbers as solutions. -9 and -4
x + 2y = 4
2x+y=3
-2x+5y=-9
x2 + 4y2 = 64
9y2 - 16x2 = 144
3y+2x=50
y=2x
xy=6
x/4 + 8 = 18
y = 5x - 6
y = 9x - 7
x = y - 1
y = 4 -2x
8c-d=-3
4c-5d=15
g(x) ≤ -lx+2l+5
f(x)=5x-4 find f(2/3)
log5 (3x-10) + log5 (7) = 2
x2-8x+12=0
n/(n + 3) + 7/(n+4) =1
y=x2-3x-10
2x+y=10
y=3x
5x+4y=-35
y=2x+1
y= 2x+16
3y= 4x+3
2x + y2 - 4y + 4 = 0
-x + y = 2
a(1,4)
b(6...
y=0.15x + 0.79
-x2+23x=46
Low-fat yogurt. Ziggy’s Famous Yogurt blends regular yogurt that is 3% fat with its no-fat yogurt to obtain lowfat yogurt that is 1% ...
Y=X+1
Y=3X-1
28/d=4
4y = 2(x + 2y)
a-2/a+3=3/5     solve for a
A trucking firm has 3 sizes of trucks.  The biggest holds 10 tons of gravel, the next size 6 tons, the next 4 tons.  There are 15 trucks available to haul 104 tons.  Use 2 more of the 10 ton trucks than the 6 ...
two numbers have a sum of 20. the second is 2 mores than three times the first. find the numbers
find the value of the coefficient of 1/x in the expansion (2x - 1/x)^5
the perimeter of a rectangle floor is 90 feet.find the demansions of the floor if the lengh is twice the width
if there was 20 people and each bus holded 60 people then how many buses do you need
one number is four times another. their sum is 35. find the numbers
the sum of two number is 300  the first number is 14 less than the second find the number
Ben's team has scored 159 points that year. knowing tnat the team had won all matches apart from 3 no-score ...
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...
a number when added to its halfgives 72...
the sum of two integers is 116. the second number is three times the first number. find the numbers
How much is invested
You invested money in two funds. Last year , the first fund paid a dividend of 9% and the second a dividend of 3% and you received a total of $1047. This year the fund paid a 10% dividend and the second of 1%, and you received a total of $846...

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This Pre-Calculus page lists video tutorials, worksheets and word problems on equations topic.