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  • Quadratic Equations, Inequalities, and Functions
  • Solving Quadratic Equations
  • Solving by square root property

Solving by square root property

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  • Question 1:
    1 pts
    		The equation $x^2 = 4$ has exactly one real solution.
  • Question 2:
    1 pts
    		The equation $x^2 = 0$ has exactly one real solution.
  • Question 3:
    1 pts
    		The equation $x^2 = -4$ has two real solutions.
  • Question 4:
    1 pts
    		The equation $x^2 = 27$ cannot be solved using the square root property
  • Question 5:
    2 pts
    		The solutions of the equation $4x^2=16$ are
    $x_1 = 4, x_2 =-4$
    $x_1 = -2$
    $x_1 =-2, x_2 =4$
    $x_1 = -2, x_2 =2$
  • Question 6:
    2 pts
    		The solutions of the equation $(x-2)^2=4$ are
    $x_1 = 2, x_2 =-2$
    $x_1 = -2, x_2 =0$
    $x_1 = 4, x_2 =0$
    $x_1 = 0, x_2 =2$
  • Question 7:
    3 pts
    		The solutions of the equation $x^2=-4$ are
    $x_1 = -2, x_2 =2$
    $x_1 = -2, x_2 =0$
    $x_1 = 2i, x_2 =2$
    $x_1 = 2i, x_2 =-2i$

Solving quadratic equations

Graphing function and discriminant