đề kiêm tra đai số chươngIV
Chia sẻ bởi Nguyễn Thị Thùy Trang |
Ngày 02/05/2019 |
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Chia sẻ tài liệu: đề kiêm tra đai số chươngIV thuộc Bài giảng khác
Nội dung tài liệu:
Họ và tên..................................... Thứ ...ngày ....tháng ....năm 2010
Lớp ..............
KIỂM TRA CHƯƠNG IV
(Thời gian làm bài 45 ph)
Điểm
Lời nhận xét của giáo viên
ĐỀ RA
Bài 1 : Viết biểu thức đại số (chỉ chứa một biến) và thỏa mãn từng điều kiện sau:
Biểu thức đó là đơn thức
Biểu thức đó là đa thức có ba hạng tử trong đó hệ số cao nhất là 2.
Bài 2 : Tính giá trị của mỗi biểu thức sau:
a) f(x) = x2 + 5x – 1 lần lượt tại x = -2 ; x = ½
b) g(x) = xy + x2y2 + x3y3 + x4y4 + x5y5 tại x = 1 và y = -1
Bài 3 : Cho các đa thức :
P(x) = x2 + 5x4 – 3x3 + x2 + 4x4 + 3x3 – x + 5
Q(x) = x – 5x3 – x2 – x4 + 4x3 – x2 +3x – 1
Thu gọn đa thức và sắp xếp theo lũy thừa giảm dần của biến.
Tính P(x) + Q(x) ; P(x) – Q(x)
Bài 4: Tìm nghiệm của đa thức : f(x) = x2 + x
BÀI LÀM
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Lớp ..............
KIỂM TRA CHƯƠNG IV
(Thời gian làm bài 45 ph)
Điểm
Lời nhận xét của giáo viên
ĐỀ RA
Bài 1 : Viết biểu thức đại số (chỉ chứa một biến) và thỏa mãn từng điều kiện sau:
Biểu thức đó là đơn thức
Biểu thức đó là đa thức có ba hạng tử trong đó hệ số cao nhất là 2.
Bài 2 : Tính giá trị của mỗi biểu thức sau:
a) f(x) = x2 + 5x – 1 lần lượt tại x = -2 ; x = ½
b) g(x) = xy + x2y2 + x3y3 + x4y4 + x5y5 tại x = 1 và y = -1
Bài 3 : Cho các đa thức :
P(x) = x2 + 5x4 – 3x3 + x2 + 4x4 + 3x3 – x + 5
Q(x) = x – 5x3 – x2 – x4 + 4x3 – x2 +3x – 1
Thu gọn đa thức và sắp xếp theo lũy thừa giảm dần của biến.
Tính P(x) + Q(x) ; P(x) – Q(x)
Bài 4: Tìm nghiệm của đa thức : f(x) = x2 + x
BÀI LÀM
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