April 16 Precalculus 3×3 w matrices

Find the equation of a parabola passing through : (-2,20) (1,5) and (3,25)

1. Plot the points using stat-plot

2. Create a matrix to solve remember ax^2+bx+c=y

3. Solve the matrix with determinants


Act 2: Calculus Readiness Test: Readiness Test


1 Desmos Art: Get 6 Parts Drawn Examples to Study

2. Systems Toolkit: Sections on graphing, substitution, combination (2×2 and 3×3) and Matrices/Cramer’s Rule/Determinants (2×2 and 3×3) should be in toolkit


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