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New exercises from Khan Academy 2020-04-02T00:17:09.644641
Actualizado: hace 29 mins 21 segs

Word problems: Solving quadratic equations

Mié, 2020-01-15 19:47
Let's solve some word problems involving quadratic equations.

Factoring quadratics with a common factor

Mié, 2020-01-15 07:40
Practice factoring quadratics by first pulling out a common factor so the result looks like a(x+b)(x+c).

Identify line symmetry

Mar, 2020-01-14 23:49
Practice identifying lines of symmetry on shapes and determining whether a shape has line symmetry.

Elimination strategies

Mar, 2020-01-14 20:36
Practice recognizing effective strategies when using elimination to solve a system of equations.

Making inferences from random samples

Lun, 2020-01-13 17:53
Given a random sample, practice figuring out what can we reasonably infer about the entire population?

Draw angles

Dom, 2020-01-12 21:56
Use a protractor to construct angles.

Interpret dot plots with fraction operations

Dom, 2020-01-12 21:44
Interpret fraction data on dot plots to solve word problems.

Simple harmonic motion: Finding speed, velocity, and displacement from graphs

Dom, 2020-01-12 21:37
Practice finding speed, velocity, and distance traveled for an oscillator from graphs of simple harmonic motion. 

Quantization of charge in experimental data

Dom, 2020-01-12 21:25
Practice applying the quantization of charge to make conclusions from graphs and other experimental data. 

Conservation of angular momentum calculations

Dom, 2020-01-12 21:21
Applying the conservation of angular momentum to collisions to calculate angular quantities such as angular velocity.

Extracellular structures and intercellular junctions

Dom, 2020-01-12 21:05
Test your knowledge of extracellular structures and intercellular junctions!

Area and perimeter situations

Dom, 2020-01-12 20:52
Determine if a situation represents area or perimeter.

Relationship between electric force, charge, and distance

Dom, 2020-01-12 20:30
Practice calculating the electric force between two charges when the charge or distance between charges is changed. 

Identifying binomial variables

Dom, 2020-01-12 20:12
Practice determining what is and isn't a binomial variable.

Analyzing energy for a simple harmonic oscillator from graphs

Dom, 2020-01-12 16:21
Practice analyzing energy for a simple harmonic oscillator from velocity vs. time and position vs. time graphs. 

Bulbs connected in series or parallel

Dom, 2020-01-12 16:01
Let's practice problems about finding the powers dissipated across bulbs connected in series or parallel.

2D projectile motion: Identifying graphs for projectiles

Dom, 2020-01-12 15:48
Practice graphing velocity, acceleration, and displacement for horizontally launched projectiles

DNA questions

Jue, 2020-01-09 22:39
DNA questions

Chromosomal inheritance

Jue, 2020-01-09 19:35
Test your knowledge of chromosomal inheritance!

Benchmark angles

Jue, 2020-01-09 17:29
Visually identify common benchmark angles.