Home > CAAC > Chapter 8 > Lesson 8.3.2 > Problem 8-108
8-108.
Find the equation of each parabola below based on the given information. Homework Help ✎
x
−4
−3
−2
−1
0
1
2
3
4
y
12
5
0
−3
−4
−3
0
5
12
x-intercepts at (−3,0) and (1,0).
x = −3 or x = 1
x + 3 = 0 or x − 1 = 0
(x + 3)(x − 1) = 0
At the x-intercept, y = 0.
y = (x + 3)(x − 1) or y = x² +2x − 3
Use the same strategy as part (a) to solve part (b).
