E. II or IV only because it will have different signs if point Q was in either of those quadrants
Answer:
1. Irrational
2. Rational
3. Rational
4. Irrational
5. Irrational
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
i know it
quadratic formula:
x = <u>-b ± √(b² - 4ac)</u>
2a
7x² - x = 7
subtract 7 from both sides:
7x² - x - 7 = 0
plug values into the quadratic formula:
x = <u>-(-1) ± √((-1)²- 4(7)(-7))</u>
2(7)
simplify:
x = <u>1 ± √(197)</u>
14