Solve Radical Equations
Solve the radical equation, and check all proposed solutions.
-$$\sqrt { x + 4 } = 7$$
A) $\{ 45 \}$
B) $\{ 49 \}$
C) $\{ 53 \}$
D) $\{ 121 \}$

Question

Quizplus · Accepted Answer

To solve the equation $\sqrt{x + 4} = 7$, square both sides to eliminate the square root, resulting in $x + 4 = 49$. Subtract 4 from both sides to solve for $x$, yielding $x = 45$.

Solve Radical Equations Solve the Radical Equation, and Check All x+4=7\sqrt { x + 4 } = 7x+4​=7

Solve Radical Equations
Solve the Radical Equation, and Check All $\sqrt { x + 4 } = 7$