Question

which of the following is quadratic equations (a) x2-79 = x²+9x +1 (b) 12x²-7= 0 (c) 3x² +11x +14 =x (3x+ 5x) (d) -x² + 11x -18=0
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Answer 1

Answer:

b and d option are in quadratic form

Step-by-step explanation:

because a and d option are in the form of ax2+bx+c

Answer 2

Answer:

b) and d) are in quadratic form