How do we solve quadratic equations

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Mathematics
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes a quadratic equation from a linear equation?
It has a slope
The presence of a constant term
The variable is squared
It is always in vertex form
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When can the square root property be applied to solve a quadratic equation?
When the equation is in vertex form or y = ax^2 + c
When the equation is linear
When the equation has no constant term
When the equation is in standard form
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in factoring a quadratic equation?
Apply the quadratic formula
Set the equation equal to zero
Use the square root property
Determine the format of the equation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to factor a trinomial when a is not equal to 1?
Diamond method
Slope-intercept form
Square root property
Zero product property
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the zero product property used for in solving quadratics?
To find the vertex of a parabola
To determine the axis of symmetry
To solve equations set to zero by factoring
To calculate the discriminant
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be true about a quadratic equation before using the quadratic formula?
It must be in vertex form
It must be a perfect square
It must be set equal to zero
It must have no x term
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for solving a quadratic equation using the quadratic formula?
x = c ± √(b² - 4ac) / 2a
x = -b ± √(b² - 4ac) / 2a
x = a ± √(b² - 4ac) / 2b
x = b ± √(b² - 4ac) / 2a
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