Khan Academy

Correlation and causality-video (K-A)

Example of direction in scatterplots-video (K-A)

Example: Correlation coefficient intuition-video (K-A)

Estimating the line of best fit exercise (K-A)

Interpreting a trend line (K-A)

Line of best fit: smoking in 1945 (K-A)

Extending arithmetic sequences (K-A)

Intro to arithmetic sequences (K-A)

Sequences intro (K-A)

Using arithmetic sequences formulas (K-A)

Worked example: using recursive formula for arithmetic sequence (K-A)

Arithmetic sequence problem (K-A)

Converting recursive & explicit forms of arithmetic sequences (K-A)

Explicit formulas for arithmetic sequences (K-A)

Recursive formulas for arithmetic sequences (K-A)

Extending geometric sequences (K-A)

Intro to geometric sequences (K-A)

Using explicit formulas of geometric sequences (K-A)

Using recursive formulas of geometric sequences (K-A)

Converting recursive & explicit forms of geometric sequences (K-A)

Explicit & recursive formulas for geometric sequences (K-A)

Sequences word problems (K-A)

Evaluating sequences in recursive form (K-A)

Equation with the variable in the denominator (K-A)

Equation with variables on both sides: fractions (K-A)