Solving Quadratic Equations Using the Quadratic Formula

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Mathematics
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1st - 6th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal when solving a quadratic equation using the quadratic formula?
To identify the vertex of the quadratic
To calculate the slope of the quadratic
To determine where the quadratic crosses the x-axis
To find the y-intercept of the equation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the quadratic formula, what does the 'a' coefficient represent?
The coefficient of the linear term
The constant term
The coefficient of the x squared term
The y-intercept
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be true about a quadratic equation before applying the quadratic formula?
It must have integer coefficients
It must be in vertex form
It must have a positive leading coefficient
It must be set equal to zero
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of simplifying the expression under the square root in the example provided?
84
20
64
44
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the approximate solutions for the quadratic equation in the example?
x = 6.5 and x = 2.5
x = 8.5 and x = 1.5
x = 9.0 and x = 0.5
x = 7.32 and x = 0.685
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