
Graphing square and cube root functions - Khan Academy
We can graph various square root and cube root functions by thinking of them as transformations of the parent graphs y=√x and y=∛x.
Radical functions & their graphs (article) | Khan Academy
Is there a secret method to graphing the cubic root and the square root without a graphing calculator?
Square-root functions & their graphs (video) | Khan Academy
Sal is given a drawing with four graphs and four formulas of square-root functions. He uses transformations to match each formula with its appropriate graph.
Graphs of square and cube root functions - Khan Academy
Given the formula of a square-root or a cube-root function, find the appropriate graph.
Graphs of square-root functions (video) | Khan Academy
A square root will always give you a positive output, so your graph will be a parabola only in the positive quadrant. In other words, it will be half of a sideways parabola.
Transforming the square-root function (video) | Khan Academy
Shouldn't the negative sign be outside the square root when graphing the "left hand" square root function? The square root of -9 is not the same as the negative square root of nine. The former …
Intro to cube roots (video) | Cube roots | Khan Academy
Learn the meaning of cube roots and how to find them. Also learn how to find the cube root of a negative number.
Cubic and cube root functions and equations | Khan Academy
Practice Graphs of square and cube root functions Get 3 of 4 questions to level up!
Intro to square-root equations & extraneous solutions
Sal explains what square-root equations are, and shows an example of solving such an equation and checking for extraneous solutions. Created by Sal Khan and CK-12 Foundation.
Squares and square roots (practice) | Khan Academy
What is the square of the number obtained by calculating (121 + A 8 3) ? Choose 1 answer: A 144