
Understanding and Solving Quadratic Equations

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

Sophia Harris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equivalent expression for x raised to the power of negative one?
x
1/x
x^2
x^(-2)
Tags
CCSS.HSA.REI.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step to eliminate the fraction in the equation x + 1/x = 4?
Subtract x from both sides
Multiply everything by x
Divide everything by x
Add 1 to both sides
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After multiplying through by x, what form does the equation take?
x^2 - 1 = 4x
x^2 + 4x = 1
x^2 - 4x = 1
x^2 + 1 = 4x
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the values of a, b, and c in the quadratic equation x^2 - 4x + 1 = 0?
a = 1, b = 4, c = -1
a = 1, b = -4, c = -1
a = 1, b = -4, c = 1
a = 1, b = 4, c = 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of 12?
4√3
2√3
3√2
√6
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two possible solutions for x using the quadratic formula?
x = 3 ± √3
x = 2 ± √3
x = 2 ± √2
x = 3 ± √2
Tags
CCSS.8.NS.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate decimal value of the square root of 3?
1.732
2.236
1.414
1.618
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