shauniboo
shauniboo
24-10-2017
Mathematics
contestada
The real solutions of the system
Respuesta :
daijingyi722
daijingyi722
24-10-2017
use substitution 3x-7=x^2+6x-17
x^2+3x-10=0
(x-2)*(x+5)=0
x=2 or -5, plug in back in, y= -1 or -22
check answers--both correct.
the answer is (2,-1) or (-5,-22)
Answer Link
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
Approximate 5 irrational number to two decimal places
A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4m .determine the acceleration of the bike.
11. Name the following Ionic Compounds (Including roman numerals where appropriate). a. CaF2 b. (NH4)2CrO4 c. K2CO3 d. NaCl e. PbOf. CuSO4 g. Ca(NO3)2 h. Mg(OH)
What is 3.5 converted into a percent
A horizontal line through point -7,8
Factorise 8x^ + 4xy ?
The second angle of a triangular field is three times as large as the first angle. the third angle is 40⁰ greater than the first angle. How long are the angles?
A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position?
What part of the body receives the stimulus for vision
is it likely that the mesosaurus swam back and forth across the Atlantic ocean
