Square root
VBT
Calculator
magnet

Câu hỏi

Đường tròn x 2 + y 2 – 10y – 24 = 0 có bán kính bằng

Đường tròn x2 + y2 – 10y – 24 = 0 có bán kính bằng

  1. 49

  2. 7

  3. 1

C. Tường

Giáo viên

Xác nhận câu trả lời

Giải thích

Ta có: 16 x 2 + y 2 - 10y - 24=0 ⇔ x 2 + y - 5 2 =49. " id="_x0000_i1025" src="data:image/png;base64,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" style="width:244.5pt; "> Vậy đường tròn x 2 + y 2 – 10y – 24 = 0 có tâm I (0; 5) và bán kính bằng 7.

Ta có:

Vậy đường tròn x2 + y2 – 10y – 24 = 0

có tâm I (0; 5) và bán kính bằng 7.

 

1

Câu hỏi tương tự

Trong các bất phương trình dưới đây, bất phương trình nào không phải là bất phương trình bậc nhất hai ẩn?

0

Xác nhận câu trả lời

THÔNG TIN

TẢI MIỄN PHÍ ỨNG DỤNG