Answer:
p > 0
Step-by-step explanation:
x² = p
x² - p = 0
A = 1, B = 0, C = -p
For 2 real roots:
B² - 4AC > 0
0² - 4(1)(-p) > 0
4p > 0
p > 0
Answer:
→ 4. 
→ 3. 
→ 1.
→ 2.
Step-by-step explanation:
You need to:
Factor out 2 from
, then you get the equivalent expression:
this matches with OPTION 4
Factor out 2 from
, then you get the equivalent expression:
this matches with OPTION 3
Make the subtraction for
, then you get the equivalent expression:
this matches with OPTION 1
Factor out 2 from
, then you get the equivalent expression:
this matches with OPTION 2