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Home
- Prealgebra
- Decimals
- Simplify and use square roots
Key concepts
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Square Root Notation
is read ‘the square root of
’
If
, then
, for
.
-
Use a strategy for applications with square roots.
- Identify what you are asked to find.
- Write a phrase that gives the information to find it.
- Translate the phrase to an expression.
- Simplify the expression.
- Write a complete sentence that answers the question.
Practice makes perfect
Simplify Expressions with Square Roots
In the following exercises, simplify.
Estimate Square Roots
In the following exercises, estimate each square root between two consecutive whole numbers.
Approximate Square Roots with a Calculator
In the following exercises, use a calculator to approximate each square root and round to two decimal places.
Simplify Variable Expressions with Square Roots
In the following exercises, simplify. (Assume all variables are greater than or equal to zero.)
Use Square Roots in Applications
In the following exercises, solve. Round to one decimal place.
Landscaping Reed wants to have a square garden plot in his backyard. He has enough compost to cover an area of
square feet. How long can a side of his garden be?
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Landscaping Vince wants to make a square patio in his yard. He has enough concrete to pave an area of
square feet. How long can a side of his patio be?
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Gravity A construction worker dropped a hammer while building the Grand Canyon skywalk,
feet above the Colorado River. How many seconds did it take for the hammer to reach the river?
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Accident investigation An accident investigator measured the skid marks of one of the vehicles involved in an accident. The length of the skid marks was
feet. What was the speed of the vehicle before the brakes were applied?
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Accident investigation An accident investigator measured the skid marks of one of the vehicles involved in an accident. The length of the skid marks was
feet. What was the speed of the vehicle before the brakes were applied?
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Everyday math
Decorating Denise wants to install a square accent of designer tiles in her new shower. She can afford to buy
square centimeters of the designer tiles. How long can a side of the accent be?
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Decorating Morris wants to have a square mosaic inlaid in his new patio. His budget allows for
tiles. Each tile is square with an area of one square inch. How long can a side of the mosaic be?
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Questions & Answers
I'm interested in biological psychology and cognitive psychology
what does preconceived mean
How can I develope my cognitive domain
why is communication effective
Communication is effective because it allows individuals to share ideas, thoughts, and information with others.
effective communication can lead to improved outcomes in various settings, including personal relationships, business environments, and educational settings. By communicating effectively, individuals can negotiate effectively, solve problems collaboratively, and work towards common goals.
it starts up serve and return practice/assessments.it helps find voice talking therapy also assessments through relaxed conversation.
miss
Every time someone flushes a toilet in the apartment building, the person begins to jumb back automatically after hearing the flush, before the water temperature changes. Identify the types of learning, if it is classical conditioning identify the NS, UCS, CS and CR. If it is operant conditioning, identify the type of consequence positive reinforcement, negative reinforcement or punishment
please i need answer
Wekolamo
because it helps many people around the world to understand how to interact with other people and understand them well, for example at work (job).
Agreed 👍 There are many parts of our brains and behaviors, we really need to get to know. Blessings for everyone and happy Sunday!
ARC
A child is a member of community not society elucidate ?
Isn't practices worldwide, be it psychology, be it science. isn't much just a false belief of control over something the mind cannot truly comprehend?
compare and contrast skinner's perspective on personality development on freud
Skinner skipped the whole unconscious phenomenon and rather emphasized on classical conditioning
war
explain how nature and nurture affect the development and later the productivity of an individual.
nature is an hereditary factor while nurture is an environmental factor which constitute an individual personality. so if an individual's parent has a deviant behavior and was also brought up in an deviant environment, observation of the behavior and the inborn trait we make the individual deviant.
Samuel
I am taking this course because I am hoping that I could somehow learn more about my chosen field of interest and due to the fact that being a PsyD really ignites my passion as an individual the more I hope to learn about developing and literally explore the complexity of my critical thinking skills
and having a good philosophy of the world is like a sandwich and a peanut butter 👍
Jonathan
generally amnesi how long yrs memory loss
interpersonal relationships
What would be the best educational aid(s) for gifted kids/savants?
treat them normal, if they want help then give them.
that will make everyone happy
Saurabh
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Source:
OpenStax, Prealgebra. OpenStax CNX. Jul 15, 2016 Download for free at http://legacy.cnx.org/content/col11756/1.9
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