semi circular cross sections 51 videos

The Cross Product of Vectors
Precalculus Systems of Linear Equations and Matrices
How to compute the cross product of two 3D vectors.
unit vectors components cross product determinant 
Chromosomes Crossing Over  Linked Genes
Biology Mendelian Genetics
The concepts of chromosome crossing over and linked genes.
chromosomes crossing over linked genes independent assortment meiosis codominance incomplete heterozygote homozygote 
Grammar Semicolons
Grammar Punctuation
The definition of a semicolon and how to use it effectively in a sentence.
semicolon semi colon semi colon 
Area With the Cross Product
Precalculus Systems of Linear Equations and Matrices
How to show that the magnitude of the cross product of two vectors gives the area of the parallelogram determined by those two vectors.
cross product magnitude of vectors dot product angle between vectors area parallelogram 
ACT Reading Section
ACT ACT Reading
Short, helpful video on ACT Reading section by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
Reading section overview directions format pacing 
ACT Science Section
ACT ACT Science
Short, helpful video on ACT Science section by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
Science section overview directions format pacing 
ACT English Section
ACT ACT English
Short, helpful video on the ACT English section by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
English section overview directions pacing English question types 
ACT Math Section
ACT ACT Math
Short, helpful video on the ACT Math section by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
Math section overview directions format pacing question types 
Families of Polar Curves: Conic Sections
Precalculus Polar Coordinates and Complex Numbers
How to describe the polar equations of conic sections.
polar graph polar equation polar curve conic sections focus origin pole parabola symmetric about the x axis parabola vertex 
Introduction to Conic Sections
Precalculus Conic Sections
How to create the different conic sections.
parabola circle ellipse oval hyperbola cone plane 
Introduction to Conic Sections
Algebra 2 Conic Sections
How to create the different conic sections.
parabola circle ellipse oval hyperbola cone plane 
Conic Section Formulas
Algebra 2 Conic Sections
How to identify a conic section by its formula.
parabola circle ellipse hyperbola center focus 
Conic Section Formulas
Precalculus Conic Sections
How to identify a conic section by its formula.
parabola circle ellipse hyperbola center focus 
Strategies for the Critical Reading Section
PSAT PSAT Prep
Get familiar with the Critical Reading section, learn the main strategies to master it and improve your PSAT test score
using context clues making predictions active reading reading in sweeps building your vocabulary 
Strategies for the Math Section
PSAT PSAT Prep
Get familiar with the PSAT Math section, learn the main strategies to master it and improve your PSAT test score
reading the questions choosing your own numbers using figures and diagrams plugging in answers order of difficulty 
Strategies for the Writing Section
PSAT PSAT Prep
Get familiar with the PSAT Writing section, learn the main strategies to master it and improve your PSAT test score
focus attention on awkward sounding words and phrases learn to read literally avoid long answer choices be comfortable with no change 
Percents
Algebra PreAlgebra
How to set up percent problems as proportions.
percent cross multiply proportion 
Proportions
Algebra Solving Equations
How to solve proportions.
ratio proportion fraction cross multiply