Algebra 76 - Completing the Square - part 2

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Mathematics
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11th Grade - University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the geometric proof demonstrate about quadratic expressions with positive bx terms?
They can be written as a sum of cubes.
They are always negative.
They cannot be simplified.
They form a perfect square.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the geometric proof with negative bx, what happens to the area of the rectangles?
They are subtracted from the other areas.
They are doubled.
They are ignored.
They are added to the other areas.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving a quadratic equation with a negative b value, what is the first step?
Add the constant term to both sides.
Multiply both sides by b.
Subtract the constant term from both sides.
Divide both sides by x.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of simplifying 25/4 minus 3 in the example with negative b?
20/4
15/4
13/4
10/4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with irrational numbers, what is the value of b?
Negative square root of 2
Positive square root of 2
Negative pi
Positive pi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are the solutions to the quadratic equation with irrational numbers represented?
As decimals
As an infinite string of digits
As fractions
As whole numbers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the limitation of solving quadratic equations before the method of completing the square?
Only linear equations could be solved.
Only equations with positive coefficients could be solved.
Only very limited types of quadratic equations could be solved.
Only equations with integer solutions could be solved.
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