Answer:
x = 2 or
x = -7
Step-by-step explanation:
(x - 2)(x + 7) = 0
x - 2 = 0
Add 2 to both sides
x - 2 + 2 = 2 + 0
x = 2
OR
x + 7 = 0
Subtract 7 from both sides
x + 7 - 7 = 0-7
x = -7
Therefore
x = 2 or
x = -7
Answer:
1. 1.4
2. -0.3
3. 0.4
4. -3.2
Step-by-step explanation:
use the quadratic formula to find x intercepts
Step-by-step explanation:
Given
11x - 6 = 3 - 10x
11x + 10x = 3 + 6
21x = 9
x = 9/ 21 (divide both numerator and denominator by 3)
x = 3 / 7
Hope it helps :)
Answer:
D
Step-by-step explanation:
All parts of the circle have a star, meaning that Andrea has a 4/4 or 1 probability of landing on a part that has a star.