Need Algebra help (QUICK)
1. Which of the following methods would be the easiest to use to solve x2 – 6 = 0?
factoring
isolating the x2 term and finding the square root of both sides
using the quadratic formula
all three methods would be easy and effective
2. Which of the following methods would be the easiest to use to solve 2×2 + 5x – 11 = 0?
factoring
isolating the x2 term and finding the square root of both sides
using the quadratic formula
all three methods would be easy and effective
3. Which of the following methods would be the easiest to use to solve x2 + 6x – 7 = 0?
factoring
isolating the x2 term and finding the square root of both sides
using the quadratic formula
all three methods would be easy and effective
5. Which equation would be the best to solve by completing the square?
x2 = 36
x2 + 11x = 40
3×2 + 4x = –2
x2 + 8x = 20