Question

Create a system of equations that includes one linear equation and one quadratic equation.
Part 1. Show all work to solving your system of equations algebraically.
Part 2. Graph your system of equations, and show the solution graphically to verify your solution.

Answers

Reiny
y = x^2 + 3x + 5
y = x + 13

solution:
x^2 + 3x + 5 = x + 13
x^2 + 2x -8 = 0
(x+4)(x-2) = 0
x = -4 or x = 2

if x = -4, y = 9
if x = 2 , y = 15

http://www.wolframalpha.com/input/?i=plot+y+%3D+x%5E2+%2B+3x+%2B+5,+y+%3D+x+%2B+13
Sally
is that the answer?
Reiny
ummmhhh, yes
yes
is it right ?
jocelyn
ok ty
Trey
WHats part 2?

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