What are the coordinates of the x-intercepts of the graph of y = 2x2 + 6x – 20?
• (–5, 0), (2, 0)
• (5, 0), (–2, 0)
• (–4, 0), (10, 0)
• (4, 0), (–10, 0)
You must solve equation :
2 x ^ 2 + 6 x – 20 = 0
The solutions are :
x = - 5 and 2
x-intercepts
( - 5 , 0 ) and ( 2 , 0 )