This algebra 2 / precalculus video tutorial explains how to graph quadratic functions in standard form and vertex form. It shows you how to find the equation of the axis of symmetry, the maximum and minimum values, and how to graph using transformations. This video contains plenty of examples and practice problems including word problems.…

Visit http://ilectureonline.com for more math and science lectures! In ths video I will solve Type 9 of Example 7 word problem: Tom drives to town at 45mph. On the return trip he drives 36mph taking 1 hour longer to return. How far is it to town? I will set time 1=time 2 to solve this…

Percent word problem. What number is 5% of 220? Visit http://mathmeeting.com for more examples.

We convert word problems into an equation and then we solve them.

Visit http://ilectureonline.com for more math and science lectures! In ths video I will solve Type 8 of Example 5 word problem: Jeff can paint a house in 40 hours and Karl can paint the same house in 36 hours. If Jim can paint twice as fast as Jeff and Tom can paint 3 times as…

Comparing proportionality constants

U07_L1_T1_we3 Exponent Rules 3

Khan Academy Kids is a free, fun educational program that will inspire a lifetime of learning and discovery for young children! Download here: Google Play: http://khan.co/khankidsGPYT App Store: http://khan.co/khankidsIOS Amazon: http://khan.co/khankidsAm Kids ages 2-5 engage with thousands of interactive activities aligned with the Head Start Learning Outcomes Framework and Common Core Standards. The curriculum includes…

Determining sample size based on confidence level and margin of error. View more lessons or practice this subject at http://www.khanacademy.org/math/ap-statistics/estimating-confidence-ap/one-sample-z-interval-proportion/v/determining-sample-size-based-on-confidence-and-margin-of-error?utm_source=youtube&utm_medium=desc&utm_campaign=apstatistics AP Statistics on Khan Academy: Meet one of our writers for AP¨_ Statistics, Jeff. A former high school teacher for 10 years in Kalamazoo, Michigan, Jeff taught Algebra 1, Geometry, Algebra 2, Introductory Statistics, and…

Problems 1-4 starting on page 407

How a tangent line relates to a hyperbola. Might be useful for some competitive exams where there isn’t time to derive (like we are doing in this video) Watch the next lesson: https://www.khanacademy.org/math/algebra2/conics_precalc/jee_hyperbolas/v/iit-jee-circle-hyperbola-common-tangent-part-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII Missed the previous lesson? https://www.khanacademy.org/math/algebra2/conics_precalc/conics_precalc_eqs/v/algebra-conic-sections?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which…

Some examples of writing two ratios and setting them equal to each other to solve proportion word problems Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/e/writing_proportions?utm_source=YT&utm_medium=Desc&utm_campaign=7thgrade Watch the next lesson: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/v/find-an-unknown-in-a-proportion-2?utm_source=YT&utm_medium=Desc&utm_campaign=7thgrade Missed the previous lesson? https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/v/find-an-unknown-in-a-proportion?utm_source=YT&utm_medium=Desc&utm_campaign=7thgrade Grade 7th on Khan Academy: 7th grade takes much of what you learned in 6th grade to an…

John Dickerson discusses the history and the significance of the Articles of Confederation. John Dickerson is co-host of CBS This Morning. He was previously CBS News’ Chief Washington Correspondent, Political Director and anchor of Face The Nation. Dickerson is also a contributor to Slate’s Political Gabfest and to The Atlantic. During the 2016 presidential campaign,…

The early life of Muhammad including his work as a merchant, his marriage to Khadijah, his early revelations and the persecution of early Muslims by his own Quraysh tribe. Watch the next lesson: https://www.khanacademy.org/humanities/world-history/medieval-times/islam-intro/v/beginnings-of-islam-2 Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/world-history/medieval-times/islam-intro/v/introduction-to-islam World History on Khan Academy: From the earliest civilizations to the modern world, geography,…

How interest rates affect interest rates, financial flows, and exchange rates

Solving algebraic inequalities involving the modulus sign and graph drawing. www.hegartymaths.com http://www.hegartymaths.com/

This video briefly discusses how to solve logarithmic inequalities.

Writing a system of inequalities given a graph

This video screencast was created with Doceri on an iPad. Doceri is free in the iTunes app store. Learn more at http://www.doceri.com

Objective: I can solve compound inequalities involving the words AND and OR.

The first thing you should do is to get rid of all fractions by multiplying every term by the least common multiple of all denominators.

From Thinkwell’s College Algebra Chapter 2 Equations and Inequalities, Subchapter 2.5 Inequalities

Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! 🙂 https://www.patreon.com/patrickjmt !! Using Interval Notation to Express Inequalities – Example 2

Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! 🙂 https://www.patreon.com/patrickjmt !! Solving Absolute Value Inequalities – Example 1

Now…YAY MATH would like to introduce to you the imaginary number ” i ” ! Check out how we simplify expressions involving the square roots of negative numbers. YAY MATH! Visit www.yaymath.org Videos copyright (c) Yay Math

From the Algebra 1 course by Derek Owens.