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

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

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)`