Generally, this is not divorced from the senior high school entrance examination.

The main problem about linear function will be to solve application problems or answer questions according to the information given by rectangular coordinate system.

The minor problem examined is 1: find the analytical formula of this application problem/the analytical formula of rectangular coordinates.

2. find the value of k or b.

Or both.

3. Find out whether the coordinate point (x, y) is in this function image.

4. Find the value range (solution set) of a number in the analytical formula.

5. Draw the image of the function

Algebraic expressions must master the operation of 1: power.

2. General operations of algebraic expressions (such as merging similar items).

3. Factorization: square difference and complete square.

4. Factorization of special problems

For example: 3: x+y =-5

XY=6

Then the value of the square of x+the square of y is ...

I played very hard.

Give even points

Downstairs! Plagiarism is dead