Write the equation 0.3x 2 + 5x - 7 = 0 in general form and then choose the value of "b."

70

50

5

The general form of a quadratic equation is that which is expressed in a form,

ax² + bx + c = 0

To write the equation in its general form, eliminate the decimal by multiplying the equation by 10. It now becomes,

3x² + 50x - 70 = 0

The value of b is therefore 50 and the answer is the second choice.