Cho hàm số y=3x
a) Vẽ đồ thị hàm số
b) Điểm A thuộc đồ thị hàm số có khoảng cách tới gốc tọa độ là \(2\sqrt{10}\). Xác định tọa độ của A.
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b/ Vì A thuộc hàm số nên tọa độ A(t; - 3t)
Theo đề bài thì ta có
t2 + 9t2 = 10
<=> t2 = 1
<=> t = (1; - 1)
Vậy tọa độ A(1; - 3) hoặc A(- 1; 3)
b) Vì M(3;m) thuộc đồ thị hàm số y=-|x| nên Thay x=3 và y=m vào hàm số \(y=-\left|x\right|\), ta được:
\(m=-\left|3\right|\)
\(\Leftrightarrow m=-3\)
Vậy: M(3;-3)
\(b,\) PT giao Ox và Oy:
\(y=0\Leftrightarrow x=2\Leftrightarrow A\left(2;0\right)\Leftrightarrow OA=2\\ x=0\Leftrightarrow y=-4\Leftrightarrow B\left(0;-4\right)\Leftrightarrow OB=4\)
Gọi H là chân đường cao từ O đến (d)
Áp dụng HTL: \(\dfrac{1}{OH^2}=\dfrac{1}{OA^2}+\dfrac{1}{OB^2}=\dfrac{1}{4}+\dfrac{1}{16}=\dfrac{5}{16}\)
\(\Leftrightarrow OH^2=\dfrac{16}{5}\Leftrightarrow OH=\dfrac{4}{\sqrt{5}}\left(cm\right)\)
Vậy k/c là \(\dfrac{4}{\sqrt{5}}\left(cm\right)\)
\(c,\Leftrightarrow\left\{{}\begin{matrix}a=2;b\ne-4\\0a+b=3\end{matrix}\right.\Leftrightarrow\left\{{}\begin{matrix}a=2\\b=3\end{matrix}\right.\)
\(a)\)Vì đths \(y=\left(2m-\frac{1}{2}\right)x\)đi qua \(A\left(-2;5\right)\)
\(\Rightarrow\)Thay \(x=-2;y=5\)vào hàm số
\(\Leftrightarrow\left(2m-\frac{1}{2}\right)\left(-2\right)=5\)
\(\Leftrightarrow2m-\frac{1}{2}=-\frac{5}{2}\)
\(\Leftrightarrow2m=-2\)
\(\Leftrightarrow m=-1\)
\(b)m=-1\)
\(\Leftrightarrow y=-\frac{5}{2}x\)
\(c)\)Lập bảng giá trị:
\(x\) | \(0\) | \(-2\) |
\(y=-\frac{5}{2}x\) | \(0\) | \(5\) |
\(\Rightarrow\)Đths \(y=-\frac{5}{2}x\)là một đường thẳng đi qua hai điểm \(O\left(0;0\right);\left(-2;5\right)\)
Tự vẽ :<
\(d)\)Chỉ cần thành hoành độ hoặc tung độ là x hoặc y vào đths trên là tìm được cái còn lại. Khi đó tìm được tọa độ của 2 diểm trên.
Lời giải:
a. Hình vẽ:
![](data:image/png;base64,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)
b. Vì điểm $A$ thuộc đths nên $A$ có tọa độ $(a,3a)$
$OA=\sqrt{a^2+(3a)^2}=2\sqrt{10}$
$\sqrt{10a^2}=2\sqrt{10}$
$10a^2=400$
$a=\pm 2$
Vậy tọa độ điểm A là $(2,6)$ hoặc $(-2,-6)$