![abelxoconda](/avatars/2006.jpg)
abelxoconda
10.10.2021 •
Mathematics
AB is the diameter of a circle.
A is (1,3) and B is (7,-1).
(a) Find the equation of the circle. [3]
(b) The line y + 5x = 8 cuts the circle at A and again at a second point D. Calculate the coordinates of D. [4]
(c) Find the area of triangle ABD. [3]
Solved
Show answers
More tips
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- C Computers and Internet How to Learn to Type Fast?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
Answers on questions: Mathematics
- M Mathematics Please help this is overdue...
- M Mathematics Please help ME HELP or i will die...
- M Mathematics In weaving an oriental carpet, a weaver can tie one knot every 5 seconds. If a rug has 10 knots per horizontal inch and 9 knots per vertical inch, how many hours would it take...
- M Mathematics Use the distributive property to write an expression that is equivalent to 6(w - 4)...
- M Mathematics In a sample, 39 students out of 150 are enrolled in an English course this semester. The probability that a randomly selected student is enrolled in an English course this semester...
- M Mathematics Find the length of the segment indicated to both problems, Round your answer to the nearest 10th if necessary, Please help I really need help! Don t just do it for points please...
- M Mathematics DOES ANYONE KNOW #7?? PLEASE HELP...
- M Mathematics Lanzan una pelota desde una altura inicial de 5 pies con una velocidad inicial ascendente de 27 ft/s. La altura de la pelota h (en pies) después de t segundos se obtiene por...
- M Mathematics Help, please, please...
- M Mathematics HELP PLZZZ Z DONT GIVE ME A LINK...
Ответ:
-21
Step-by-step explanation:
I assume this is a 2 by 2 matrix.
determinant = -5 * 4 - 1 * 1 = -20 - 1 = -21