
Solving Proportions Leading to Quadratic Equations

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
+2
Standards-aligned

Amelia Wright
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a proportion that results in a quadratic equation?
Add the fractions
Cross-multiply
Divide both sides by the same number
Subtract the fractions
Tags
CCSS.8.EE.C.7B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After cross-multiplying, what should you do next?
Set the equation equal to zero
Add 10 to both sides
Simplify the fractions
Divide by the highest coefficient
Tags
CCSS.HSA.REI.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of setting the equation equal to zero?
To simplify the equation
To eliminate fractions
To prepare for factoring
To find the common denominator
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to solve the equation after setting it to zero?
Graphing
Factoring
Using the quadratic formula
Completing the square
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the roots of the equation x^2 - 3x - 10 = 0?
x = 2 and x = 5
x = -2 and x = -5
x = -2 and x = 5
x = 2 and x = -5
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you make a mistake in your calculations?
Correct the mistake and continue
Ignore it and move on
Start over from the beginning
Ask for help
Tags
CCSS.HSA.REI.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you handle a binomial times a binomial on one side of the equation?
Subtract one binomial from the other
Multiply them out using FOIL
Add them together
Divide by the binomial
Tags
CCSS.HSA-REI.B.4B
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