Wednesday, September 15, 2010

Factor Calculator

Trinomial Factor calculator

Example 2

Find the factors of x2+ 3x -18.

Solution:

x2+3x - 18 = x2-3 x+6x -18

= ( x2-3x ) + ( 6x-18 )

= x ( x-3 ) + 6 ( x -3 )

= (x - 3) (x + 6)

(x-3) and (x+6) are the factors of the above trinomial.

More on:

Introduction to Algebra

Online math tutor

Monday, September 13, 2010

Line Segment

A line segment:

The band articulation is parameterize by agent amplitude and subset.The announcement for band articulation is L = { u + tv | t [in] [ 0, 1 ] }. Here u and v is agent amplitude and L is subset and accede the end credibility as u, u + v.This is bidding for bankrupt band segment.

For accessible bend articulation the subset is bidding as L = { u + tv | t [in] (0, 1) }. Here aswell u and v is vectors.

The absolute band is afar by end credibility that is the credibility is referred as bankrupt interval. [barAB] is announce the band articulation length. The band articulation has one ambit that is length. It does not accommodate amplitude and breadth. The two end credibility has beeline line.

Line articulation categories:

Diagonal band articulation – The quadrilateral adverse abandon are connected.

Horizontal band articulation – The beeline band is advised with two end points.

Vertical band articulation – The band articulation on vertical axis.

Parallel band articulation – The band articulation on alongside axis.

Perpendicular band articulation – This is aforementioned as vertical band segment.

The band blueprint is use the band articulation for artifice the band on axis

To know more:

What is line segment


Interior angles

Wednesday, September 8, 2010

Interior Angles

sum of interior angles:

interior angles sum for any polygon can be obtained by using the formula,

180(n-2)

where n is the number of sides for the polygon.
The number of sides for a decagon is 10.
The sum of interior angles of a decagon can be determined by substituting n = 10 in the formula.
The sum of interior angles of a decagon = 180(10-2)

= 180(8)

= 1440°
Sum of interior angles of a decagon
Therefore the sum of interior angles of a decagon is 1440°.

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A line plot

Number line activities

Thursday, August 26, 2010

Maths papers

Module 7 maths past paper question 1:

Solve the equations and find the value of x. 5x + 7 = x - 13

Answer: -5

Module 7 maths past paper question 2:

Rearrange equation to make x the subject y = 3x + 6

Answer: x = M

Module 7 maths past paper question 3:

What is the highest common factor of 12 and 18.

Answer: 6

Module 7 maths past paper question 4:

Write 80 as a product of smallest factors

Answer: 2 * 2 * 2 * 2 * 5

Module 7 maths past paper question 5:

In a sports club there are 60 boys and 48 girls. Write the ratio of boys to girls in its simplest terms

Answer: 5 : 4

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Degree classification

isosceles triangle



Wednesday, August 25, 2010

Introduction to x intercept

Introduction to x intercept calculator

In coordinate geometry, the x-intercept is the point of x value where the graph of a function or relation intercepts the x-axis of the coordinate technique.If the curve in query is given as y = f(x), the x-intercept is found by calculating f(x)=0. Functions which are undefined at xy= 0 have no x-intercept.

x intercept calculator:

find the x-intercept of the given equation using the x intercept calculator.The x intercept calculator find the the x intercept by Substituting the worth of y=0.The x intercept can be interpret as (x, 0). x and y intercept are five separate points.X and y intercepts are equal at the origin.
get more help from my blog: Math ansers
Formula for mean


Monday, August 23, 2010

Introduction to Standard integrals

Introduction to online tutoring standard integrals (definite):

The expression of definite integral with lower and upper limit is f(x) dx . The definite integral is also known as Riemann integrals. In definite integral, f(x) dx . where, a, b and x is the complex numbers and path of integration from a to b. The calculus fundamental theorem allows the definite integrals to be computed in terms of indefinite integrals. Where, F is the indefinite

integral and f(x) is continuous function. The standard form of indefinite integral is f(x) dx. The standard form of definite integral with an interval a to b f(x) dx = F(b) - F(a).

More help;

Algebraic fraction

Math question solver




Wednesday, July 7, 2010

Solving Algebraic Equations

Solving Algebraic Equations:

Question:
Solve the following equation:


Answer:


42y-42 = 35y-21
42y-91y = -21+42
-49y = 21