
Exploring the Quadratic Formula and Discriminant

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
+5
Standards-aligned

Jackson Turner
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the quadratic formula used for?
Solving quadratic equations that cannot be factored
Solving linear equations
Finding the area of a circle
Calculating the slope of a line
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mnemonic song for the quadratic formula?
Row, row, row your boat, gently down the stream
Due to a hang low under negative b plus or minus square root b squared minus 4ac
Twinkle twinkle little star, how I wonder what you are
Jack and Jill went up the hill to fetch a pail of water
Tags
CCSS.RI.11-12.5
CCSS.RI.8.3
CCSS.RI.8.5
CCSS.RI.9-10.3
CCSS.RI.9-10.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, what are the values of a, b, and c?
a = 1, b = 3, c = -7
a = 4, b = 3, c = 2
a = 2, b = -16, c = -27
a = 3, b = -1, c = 8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the quadratic formula result in the first example?
4 ± 2√10
1 ± √37
16 ± √40
4 ± √10
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the value of b?
-7
4
3
1
Tags
CCSS.8.EE.C.7B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final answer for the second example?
3 ± √28
1 ± √37
16 ± √40
4 ± √10
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the third example, what is the value of the discriminant?
37
-95
-23
40
Tags
CCSS.HSA-REI.B.4B
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