Question

3. PLEASE HELP ME

Solve the equation using square roots.

x2 + 10 = 9

A. 1

B. ±√1

C. no real number solutions

D. –1

Answer 1

C. no real number solutions

Explanation:

Subtract 10 from both sides.

Since the square of a number, x, equals a negative number, -1, the answer cannot be a real number because the square of a real number is always non-negative. Therefore, there is no real number solution to this equation.

Answer: B. no real number solutions

no real number solutions