De thi Vio Toan Tieng Anh lop 9 NH1516 Vong 1

11 Nguyễn Xuân Phong, gv trường THCS Nguyễn Trãi – TPLX – An Giang sưu tầm... Nguyễn Xuân Phong, gv trường THCS Nguyễn Trãi – TPLX – An Giang sưu tầm..[r]

VÒNG 1 – TOÁN 9A BÀI THI SỐ 1

ĐI TÌM KHO BÁU 1)

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A 70 B 50 C 60 D 80

2)

A ( ) B ( ) C ( ) D ( )

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A B C D

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A B C D

Question 2:

The value of the polynomial with is

Question 3:

The greatest integer satisfy is

Question 4:

Given the inequation

Find the positive values of satisfy its

(order the values of from least to greatest and used ";")

Answer: { }

Question 5:

The negative value of such that the equation where is

Question 6:

Suppose that the line segment is longer than by What is the length of ? Answer: The length of is

Question 7:

In this figure, suppose that

What is the perimeter of the triangle ?

Answer: The perimeter of the triangle is

Question 8:

Given a square, if its perimeter is increased by then its area is increased by

What is the length of its side?

Answer: The length of its side is

Question 9:

Suppose that then

Question 10:

In this figure, suppose that then

Question 11:

The positive root of the equation is

Question 12:

Given a rectangular land such that its length is third as its width

If each line segment is increased by then the area is increased by

The width of this land is

Question 13:

The minimum value of is

Question 14:

Suppose that then

Question 15:

The solution set of the equation is

(order the solutions from least to greatest and used ";")

Question 16:

Given the isosceles trapezoid The area of is

The minimum value of is

Question 19:

The root that is an integer of the equation is

Question 20:

The value of satisfy is

Question 21:

The greatest integer satisfy is

Question 22:

The positive root of the equation is

Question 23:

The least integer satisfy is

Question 24:

On the number line, point has coordinate and point has coordinate

Suppose that point is the midpoint of then s coordinate is

Question 25:

Find the maximum value of such that

Answer: