
Exploring Quadratic Equations with Irrational Solutions

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
Standards-aligned

Olivia Brooks
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method was NOT reviewed in the introduction for solving quadratic equations?
Completing the square
Factoring
Graphing calculators
Synthetic division
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the inverse operation of squaring a number?
Multiplication
Addition
Division
Square root
Tags
CCSS.8.EE.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If x^2 = 7, what are the solutions for x?
x = 7
x = 3.5
x = ±√7
x = ±7
Tags
CCSS.8.EE.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of 20?
√10
4√5
2√5
5√2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why must the solutions to x - 3^2 = 11 be irrational?
Because 11 is a prime number
Because adding a rational number to an irrational number results in an irrational number
Because 3 is a rational number
Because the square root of 11 is a rational number
Tags
CCSS.8.EE.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the decimal approximations of the solutions to x - 3^2 = 11?
6.317 and -0.317
3.317 and -3.317
5.317 and -1.317
4.317 and -2.317
Tags
CCSS.8.EE.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a graphing calculator in solving quadratic equations?
To find the exact solutions
To verify solutions graphically
To simplify the equations
To factor the equations
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