Question

-
Find the x-intercepts for the parabola defined
by this equation:
y=2x² + 2x - 4
Write your answer as two ordered pairs: (x1,y1),(x2,y2)
Separate the values with a comma. Round, if
necessary, to the nearest hundredth.
15 POINTS

Answer 1

Answer:

$(-2,0)$ and $(1,0)$

Step-by-step explanation:

$y=2x^2+2x-4\\0=2x^2+2x-4\\0=2(x^2+x-2)\\0=2(x+2)(x-1)\\x=-2,x=1$

Therefore, your ordered pairs would be $(-2,0)$ and $(1,0)$