Question

Solve the following system.

y = -2x 2 + 3x - 1 and x + y = -1.

The solutions are
and

Answer 1

Where are you stuck?

Answer 2

yes

Answer 3

no

Answer 4

y = -2x^2 +3x -1
x+y = -1

what method you wan - need using to solve it ?

substitution ,elimination,...?

Answer 5

it just askes this Solve the following system.

y = -2x 2 + 3x - 1 and x + y = -1.

The solutions are
and

Answer 6

so the most easy way to use it the substitution method bc. there given a value of y what you can substitute it inside the second equation in place of y and solve it for x

Answer 7

^

Answer 8

@AZ any idea ? ty

Answer 9

@b1az3 do you understand the way ?

Answer 10

no

Answer 11

y = -2x^2 +3x -1 this expression of y you need substitute it in place of y inside second equation

Answer 12

so what will get ?

Answer 13

@imqwerty do you have any idea ?

Answer 14

x +y = -1

x +(-2x^2 +3x -1) = -1

solve this for x

Answer 15

^