
Finding Real and Imaginary Solutions

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard

Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the equation x^4 - 16 = 0?
Use the quadratic formula
Factor using the difference of squares
Complete the square
Use synthetic division
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many solutions are expected for the equation x^4 - 16 = 0?
Four real solutions
Three imaginary solutions
Two real solutions
Two real and two imaginary solutions
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the greatest common factor (GCF) used in the first step of factoring by grouping for x^3 - 3x^2 + 9x - 27 = 0?
3
x
x^2
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the real solution for the equation x^3 - 3x^2 + 9x - 27 = 0?
x = -3
x = 3
x = 0
x = 9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to factor the equation x^3 + 8 = 0?
Quadratic formula
Difference of squares
Sum of cubes
Synthetic division
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the real solution for the equation x^3 + 8 = 0?
x = 0
x = -2
x = 2
x = 8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving x^3 + 6x - 7 = 0 using synthetic division?
List possible zeros
Factor by grouping
Identify the leading coefficient
Use the quadratic formula
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