Question

Solve the following system of equations and show all work.

y = −x^2 + 4
y = 2x + 1
Please Help

Answer 1

@Hero @Here_to_Help15

Answer 2

@ganeshie8

Answer 3

@jane11509

Answer 4

@BlossomCake @butterflydreamer @Lady.Liv1776 @mathmate

Answer 5

@Hero please

Answer 6

-x^2+4=2x+1

Answer 7

now solve for x

Answer 8

Ok hold on

Answer 9

I am confused

Answer 10

what are you stuck on?

Answer 11

Do I got to square root first or subtract 4 on both sides

Answer 12

this problem involves factoring the equation

Answer 13

so first get everything on one side of the equation

Answer 14

oh ok

Answer 15

-x^2+4=2x+1

Answer 16

x^2 + 2x - 3 = 0

Answer 17

(x+3)(x-1)=0

Answer 18

x is -3 and 1

Answer 19

plug these values into one of the equations to find the corresponding y-value

Answer 20

y=2(-3)+1

Answer 21

y=-5

Answer 22

first solution (-3,-5)

Answer 23

y=2(1)+1

Answer 24

y=3

Answer 25

second solution (1,3)

Answer 26

I'm sorry I had stepped away but thank you so much

Answer 27

np