
Evaluating the Expression b² - 4ac

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard
+2
Standards-aligned

Emma Peterson
FREE Resource
Standards-aligned
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What values are substituted for a, b, and c in the expression b² - 4ac?
a = 2, b = -5, c = 6
a = -2, b = 5, c = -6
a = 2, b = 5, c = -6
a = -2, b = -5, c = 6
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step after substituting the values into the expression b² - 4ac?
Add the values
Divide the values
Multiply the values
Simplify the exponents
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 5 squared in the expression?
35
20
25
30
Tags
CCSS.7.NS.A.2A
CCSS.7.NS.A.2B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying -4, -2, and -6?
36
-36
48
-48
Tags
CCSS.HSA.APR.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is performed after simplifying the exponents?
Addition
Subtraction
Division
Multiplication
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final result of the expression b² - 4ac?
-25
23
-23
25
Tags
CCSS.7.NS.A.1D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is 25 minus 48 equivalent to another expression?
Negative 25 minus 48
25 plus 48
25 plus negative 48
Negative 25 plus 48
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the order of operations in this problem?
It allows for division before multiplication
It is not important in this problem
It ensures the correct sequence of operations
It helps in adding the numbers correctly
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