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How many real solutions does the equation have?
f^(2)-52=-70
(A) no real solution
(B) one real solution
(C) two real solutions

How many real solutions does the equation have?\newlinef252=70f^{2}-52=-70\newline(A) no real solution\newline(B) one real solution\newline(C) two real solutions

Full solution

Q. How many real solutions does the equation have?\newlinef252=70f^{2}-52=-70\newline(A) no real solution\newline(B) one real solution\newline(C) two real solutions
  1. Simplify Equation: Write down the given equation and simplify it by adding 5252 to both sides to isolate the f2f^2 term.\newlinef252=70f^2 - 52 = -70\newlinef2=70+52f^2 = -70 + 52\newlinef2=18f^2 = -18
  2. Identify Real Solutions: Observe that f2f^2 is equal to a negative number (18-18). Since the square of a real number cannot be negative, the equation f2=18f^2 = -18 does not have any real solutions.
  3. Conclude No Real Solutions: Conclude that the equation f252=70f^2 - 52 = -70 has no real solutions because the square of a real number cannot be negative.