Algebraic problems

Algebraic formulas

Take a glance at the equation below. As you can see, after the variable is subtracted from the left and the constants are subtracted from the right, you are still left with 2x on one side.

Preliminary Equation / Issue x + 23 = 3x + 45

Subtract x from each side x - x + 23 = 3x - x + 45
Result 23 = 2x + 45


Subtract 45 from each side 23 - 45 = 2x + 45 - 45
Result -22 = 2x
2x = -22
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Math world
Factor of 25

Math problems

solving math problems

Question: A women wants to select one cotton saree and one polyster saree from a collection of 8 cotton sarees and 11 polyster sarees. In how many ways can the lady choose the two sarees?

Answer: Here, there are two events E₁ and E₂.
E₁ = Selection of one cotton saree from 8 cotton sarees.
E₂ = Selection of one polyster saree from 11 polyster sarees.
E₁ = 8 ways E₂ = 11 ways

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Maths papers

Algebra 2 problems

Polynomials

Factoring a polynomial:

Factoring a polynomial into irreducible polynomials over a given field. It gives out the factors that form a polynomial function. the function in the form of xⁿ + x^{n - 1} + x^{n - 2} +…… + k = 0 here k is a constant and n is a power.

Example: Factoring a polynomial (x + 3)2

x² + 9x + 6

(x + 3)(x + 3)

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how to factor polynomial step by step?

Histogram Defination

Histogram definition:

Histogram is an easy method to represent database.


The following steps used to construct the histogram in definition of histogram tutoring:

Step 1:

here in histogram data ranges are dividing by equal intervals in a column. For example (0 to 5, 5 to 10, and 10 to 15)

Step 2:

We need to create x-axis and y-axis. X-axis represented by horizontal position and y-axis represented by vertical position.

Step 3:

Given data (class intervals) are plot into x-axis (horizontal position).

Step 4:

Given data (frequency) are plot into y-axis (vertical position).

Lines

slope coefficient

8th Grade Algebra

8th Grade Algebra:

Example Problems for 8th Grade Algebra I:

8th grade algebra i – Example: 1

Solve: 10(q – 8) – 16q - 20 = 3(q + 15)

Solution:

Given expression is

10(q – 8) – 16q - 20 = 3(q + 15)

Multiplying the integer terms

10q - 80 – 16q - 20 = 3q + 45

Grouping the above terms

-6q - 100 = 3q + 45

Add 100 on both sides

-6q + 100 – 100 = 3q + 45 + 100

Grouping the above terms

-6q = 3q +145

Subtract 3q by on both sides

-6q – 3q = 3q +145 – 3q

Grouping the above terms

-9q = 145

Divide -9 on both sides

q = 145/-9

q = (145)/(9)

Answer: q = 145/9.

help related to :adding decimals

free geometry tutoring

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geometry tutoring through online made possible to solve students queries related to geometry

1.The circumference of a circle is equal to 46π. Find the radius of the circle.

Sol : The circumference of a circle is given by

C = 2πr

Where r is the radius of the circle.

Substitute C by 46π to obtain the equation

46π = 2πr

Simplify and solve for r to obtain
r =23

Ans : radius of the circle r=23

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solved pre algebra problems

let us know solved pre algebra problems

Pre algebra is the basic for mathematics. Pre algebra using letters, general Verification of relations and other symbols to represent specific sets of values, numbers vectors, etc., in the character of such relations. It deals the topics such as numbers, expressions, variables, equations, word problems, polynomials. Let us solve some sample problems on pre algebra.

Some Concepts in Pre algebra :

Concepts of algebra

Terms are the part of expression that is connected with plus and minus signs

Coefficients are the numbers in the terms with variables combined in it.

4x² + 2y + 8xy + 16

Here Coefficient of x² is 4

Coefficient of y is 2

Coefficient of xy is 8

In any expressions, x and y are called as variables. We call them as variables because these numbers may vary , one or more numbers for the variables can be assigned for the expression.

In the expression 4x² -5y²+ 3xy + 6 the variable terms are x², y², xy.

In any expression which contains only numbers without variables are called as Constants, because their values never change.

In the expression 2x² -3y²+ 7xy + 5 the constant term is "5."

One or more terms in certain phrase, is called Algebraic Expression. It includes variables, constants and symbols. Symbols such as plus and minus signs. It's only a phrase, not the whole sentence. So it never include equal sign.

Expression: x² + 3y + 8xy + 14

Equation consists of expressions that are separated by the equal sign. By using expression on one side and equals with their values on the other side.

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