
Quadratic Equations and Complex Solutions

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
+1
Standards-aligned

Liam Anderson
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main goal when solving the quadratic equation in this tutorial?
To factor the equation
To graph the equation
To find the approximate solutions rounded to three decimal places
To find the exact solutions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of 'a' in the quadratic equation 5x^2 + 40x + 207 = 0?
40
207
5
0
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to consider the signs of the coefficients in a quadratic equation?
To determine the type of solutions
To ensure correct substitution into the formula
To find the vertex of the parabola
To simplify the equation
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expression under the square root in the quadratic formula called?
Discriminant
Coefficient
Constant
Radical
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a negative discriminant indicate about the solutions of a quadratic equation?
Two real solutions
One real solution
Two complex solutions
No solutions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the square root of a negative number expressed in terms of imaginary numbers?
As a complex number with 'i'
As a real number
As a fraction
As a whole number
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the real part of the solution when simplified in this example?
4
5
0
-4
Tags
CCSS.HSN.CN.A.3
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