Question

1. Which of the following is a quadratic equation?
A. X = 3
C. 2 - x2 = 0
B. x - 2 = 0
D. x3 - 2x + 1 = 0
2. What is the standard form of the equation 4x = 3x2 - 2?
A. 3x2 - 4x - 2 = 0
C. 3x2 - 4x + 2 = 0
B. 3x2 + 4x - 2 = 0
D. 3x2 + 4x + 2 = 0
3. Which of the following is NOT a method of solving quadratic equations?
A. factoring
C. quadratic formula
B. quadratic surd
D. completing the square
4. What is the most appropriate method to use in solving the equation x2 = k, where k > 0?
A. factoring
C. completing the square
B. quadratic surd
D. extracting square root​

Answer 1

Answer:

1.D

2.?

3.?

4.d

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