question

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x - 4 = 0 for x?

answer

a

question

Using the quadratic formula to solve 7x2 - x = 7, what are the values of x?

answer

b

question

Which equation has the solutions ?

answer

d

question

Which equation has the solutions ?

answer

c

question

What is the discriminant of 9x2 + 2 = 10x?

answer

28

question

If x = -3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation?

answer

The discriminant is 0.

question

What is the discriminant of ?

answer

76