brendenh2098
brendenh2098
21-05-2017
Mathematics
contestada
Can someone help me with all these
Respuesta :
Stephanie2006
Stephanie2006
21-05-2017
I don't know
I think for number 6 the answer is. A
Answer Link
EmmaJ22
EmmaJ22
21-05-2017
1) factorise the expression: 2(x^2-4x) + 1 = 2(x-2)^2 - 8 + 1 = 2(x-2)^2 -7 so the answer is c
2) formula of the circle will be (x-2)^2 + y^2 = 2^2 which expands to x^2 -4x + 4 + y^2 = 4 which simplifies to x^2 + y^2 -4x = 0 so b
3) d
4)a
5)d
6)b
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
Which choice is a sentence fragment? a. I try. b. Unless he calls you, don't worry about it. c. After she finished writing her first novel. d. Once the pain
12+4n Over 3= 8 What is n?
what is 98 2/3 written as a decimal
When a certain valve is open,281 gallons go through it in one hour. The number of gallons that would go through in 91 hours is?
we welcomed the____ into his house. a. begger b.panhandler
As shown,Suzi starts her hike at an elevation below sea level.when she reaches the end of the hike,she is still below sea level at -127 feet.what was the change
What was President Jefferson's top priority in his agenda? a. his welfare policy b. his economic policy c. his foreign policy d. education reform
a farmer has one square mile of land, if he divides his land into square fields that are 1/2 mile long and 1/2 mile wide, hoe many fields will he have
5 facts about the cell wall
What are two negative integers that have the same sum as -2 and -5