## week 12-Linear Inequalities

The parabolic opening upward and equation is greater than zero. The equation has an intersection with the x axis. If the y value is greater than 0 x the value is less than one half and x is greater than… Continue Reading

## Week8—Analyzing Quadratic functions of the form y=a(x-p）^2+q

y=x^2+2 positive sign the graph moves up y=x^2-3 negative sign the graph moves down y=(x-2)^2 negative sign the graph moves right y=(x+3)^2 positive  sign the graph moves Left

## Week 9—Graphing a Quadratic function

The basic representation of the quadratic function is y=ax squared +bx+c (a is not 0). The second function must be quadratic, and the graph of the quadratic function is a parabola that is parallel to the Y-axis or overlaps on… Continue Reading

## Week 4-the square root of add and subtract and multiplication

First to merge similar radical, and will not be the same kind of radical operation ligatures symbols together. The multiplication of the root is different from the addition and subtraction,but it also needs to be simplified first,and the number of… Continue Reading

## Week 3-Square root

The square root is a mathematicial symbol.The square root is a symbol that represents the operation of a number or a algebraic operator The square root cannot be negative.

## Week 2-Arithmetic Sequence

An=A1*q^（n－1） a1 is the leading term,q is equal to the radio of series,and Sn is equal to the first n terms and.

## Week 1-Arithmetic Sequence

3,8,13,18 d=5 T50 S50 T50=T1+49d T50=3+245 T50=248 S50= S50=[50(3+248)]➗2 S50=6275     After class I learned arithmetic progression and the arithmetic of arithmetic progression and how to solve questions .