Quadratic Equations Quiz

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Frank Albert Flores
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to solve a quadratic equation in the form ax² = c?
Factoring
Completing the square
Extracting the square root
Quadratic formula
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the quadratic formula?
x=(-b±√(b²-4ac))/(2a)
x=(b±√(b²-4ac))/(2a)
x=(-b+√(b²-4ac))/(2a)
x=(-b-√(b²-4ac))/(2a)
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the process of completing the square, what form does the quadratic equation take?
ax² + bx + c = 0
(x - h)² = k
(x + p)(x + q) = 0
a(x - r)² = 0
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a step in solving quadratic equations by completing the square?
Move the constant term to the right side.
Divide all terms by the coefficient of x².
Take the square root of both sides of the equation.
Multiply through by a.
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the quadratic equation x² - 4x - 5 = 0, what is the factored form?
(x - 1)(x + 5)
(x - 5)(x + 1)
(x + 1)(x - 5)
(x - 5)(x - 1)
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the discriminant b² - 4ac of a quadratic equation indicate?
The vertex of the parabola
The axis of symmetry
The number and type of solutions
The direction of the parabola
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many real roots does a quadratic equation have if the discriminant is zero?
Zero
One
Two
Infinitely many
Tags
CCSS.HSA-REI.B.4B
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