Question

Solve the following system of equations and show all work.

y = 2x^2
y = −3x − 1

Answer 1

ok so you need to get the variable alone, so for the first problem what is the opposite of the ^ and for the second problem what is the opposite of a subtraction sign??

Answer 2

opposite of subtraction is addition

Answer 3

anddd the opposite of ^ isnt that division

Answer 4

bingo sofor the second problem add 1 to 1 and cross it out bc that is practically a negative and a positive, and then for the 1st problem also yes so divide

Answer 5

so for the 2nd y+1=-3x

Answer 6

yes there u go, now try and do the other one! :}

Answer 7

wait cant i just

do 2x^2+3x+1=0 then just factor or use the quadratic formula

Answer 8

yep there u go!! :]

Answer 9

so i used the quadratic formula

Answer 10

i got that x = -1/2 and -1

Answer 11

yep there u go :D

Answer 12

yay