The Quadratic Formula

9 September 2022
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10 test answers

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question
The graph of an equation with a negative discriminant always has which characteristic?
answer
A)no x-intercept
question
Using the quadratic formula to solve 7x2 - x = 7, what are the values of x?
answer
B
question
Find the discriminant of 3x^2-10x=-2
answer
76
question
Using the quadratic formula to solve 5x = 6x2 - 3, what are the values of x?
answer
B
question
If x=6 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
Using the quadratic formula to solve x2 = 5 - x, what are the values of x?
answer
NOT B
question
Which equation could generate the curve in the graph below?
answer
NOT D (y = 3x2 - 4x - 2)
question
Which equation has the solutions x=5+2*7/3
answer
NOT A
question
Which equation can be solved using the expression for x?-3+*3^2+10.2/2.10
answer
NOT A
question
Which equation has the solutions x=-3+*3i/2
answer
NOT A