trắc nghiệm thi lại toán 10

trắc nghiệm thi lại toán 10

10th Grade

36 Qs

quiz-placeholder

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trắc nghiệm thi lại toán 10

trắc nghiệm thi lại toán 10

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Easy

Created by

Hà Thái

Used 7+ times

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36 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

M(2;1)

M(1;1)

M(2;0)

M(0;-2)

Answer explanation

Thay tọa độ từng điểm vào đồ thị, điểm nào thỏa mãn thì điểm nó thuộc đồ thị. Ví dụ điểm M(2;1) ta thay x = 2 và y = 1 vào hàm số

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

f(-1) = -5

f(2) = 10

f(-2)=10

Answer explanation

Ví dụ f(-1) thì ta thay x = -1 vào f(x)=|-5x| ta được: |(-5).(-1)| = 5. (Chú ý |-2| = 2. Trị tuyệt đối của số âm là số dương)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

f(x) >= 0

và f(x) = g(x)^2

g(x) >= 0

và f(x) = g(x)^2

g(x) >= 0

hoặc f(x) = g(x)^2

f(x) = g(x)^2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

D = [-2;2]

D = (-2;2)

D = [-2;2]\{0}

D = R

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

x = 1

x = 2

x = 3

x = 4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

S = {0}

S = {0;2}

s = {2}

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