Solving Quadratic Equations by Factoring and Quadratic Formula
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When solving 2x² - 8x + 6 = 0 using the quadratic formula, which is the correct value for b?
-8
6
8
-6
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of solutions does a quadratic equation have if the discriminant is negative?
No real solutions
One real solution
Two distinct real solutions
Two complex solutions
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For the equation x² - 8x + 15 = 0, what is the sum of the roots?
-15
8
-8
15
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method is useful for solving quadratic equations when the coefficient of x² is not 1?
Factoring
Completing the square
Extracting the square root
Quadratic formula
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the quadratic formula, what does the term b² - 4ac represent?
The vertex of the parabola
The axis of symmetry
The distance between the roots
The two possible values for the roots
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is this formula?
This is the speed of light formula.
This is the quadratic formula.
This is the zero product property.
This is scary.
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Choose the best method to solve this quadratic:
(a)
-3 = 4x2 + 9x
Quadratic Formula
Square Roots
ZPP
Tags
CCSS.HSA-REI.B.4B
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