Question

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9) Which of the following is a quadratic equation?
a) 3x3 + 6x2 - 4x + 14
b) x4 + 4x + 14
c) 6x2 - 4x + 14
d) x + 2
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Answer 1

Answer:

c

Step-by-step explanation:

quadriatic eqn must have only one value of degree 2 and must be in form of ax^2+bx+c. only option c satisfies these conditions

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Answer 2

Answer:

3×3=9+6*2=12-4*+14=22

total 9+12+22=43

step by step

3*3=9

6*2=12

4x+14=22

x=2

4*2=8+14=22